Author: Manhattan Prep
Publisher: Manhattan Prep
ISBN: 1506249930
Category : Study Aids
Languages : en
Pages : 433
Book Description
GMAT Advanced Quant is designed for students seeking an extremely high GMAT quant score. It offers essential techniques for approaching the GMAT’s most difficult math problems, along with extensive practice on very challenging problems. This edition includes 55 new practice problems. Written for students striving for a perfect score of 51 on the quant section—by instructors who have achieved that score—this book combines elite strategies for problem solving and data sufficiency with intense practice to build your high-level quantitative skills. The guide includes more than 250 very challenging problems, including 55 that are new to this edition. GMAT Advanced Quant comes with access to Atlas, your online learning platform. Atlas includes additional practice problems, a full-length adaptive practice exam, interactive video lessons, strategies for time management, and many other study resources. Tackle the GMAT’s toughest quant problems with Manhattan Prep, the world’s leading GMAT Prep company. To get into top business programs, you need top GMAT scores, and GMAT Advanced Quant is designed to get you there. Note: This guide is recommended for those already scoring 47 or higher on the quant section of the GMAT; to work up to a score of 47, check out Manhattan Prep’s All the Quant guide.
GMAT Advanced Quant
Author: Manhattan Prep
Publisher: Manhattan Prep
ISBN: 1506249930
Category : Study Aids
Languages : en
Pages : 433
Book Description
GMAT Advanced Quant is designed for students seeking an extremely high GMAT quant score. It offers essential techniques for approaching the GMAT’s most difficult math problems, along with extensive practice on very challenging problems. This edition includes 55 new practice problems. Written for students striving for a perfect score of 51 on the quant section—by instructors who have achieved that score—this book combines elite strategies for problem solving and data sufficiency with intense practice to build your high-level quantitative skills. The guide includes more than 250 very challenging problems, including 55 that are new to this edition. GMAT Advanced Quant comes with access to Atlas, your online learning platform. Atlas includes additional practice problems, a full-length adaptive practice exam, interactive video lessons, strategies for time management, and many other study resources. Tackle the GMAT’s toughest quant problems with Manhattan Prep, the world’s leading GMAT Prep company. To get into top business programs, you need top GMAT scores, and GMAT Advanced Quant is designed to get you there. Note: This guide is recommended for those already scoring 47 or higher on the quant section of the GMAT; to work up to a score of 47, check out Manhattan Prep’s All the Quant guide.
Publisher: Manhattan Prep
ISBN: 1506249930
Category : Study Aids
Languages : en
Pages : 433
Book Description
GMAT Advanced Quant is designed for students seeking an extremely high GMAT quant score. It offers essential techniques for approaching the GMAT’s most difficult math problems, along with extensive practice on very challenging problems. This edition includes 55 new practice problems. Written for students striving for a perfect score of 51 on the quant section—by instructors who have achieved that score—this book combines elite strategies for problem solving and data sufficiency with intense practice to build your high-level quantitative skills. The guide includes more than 250 very challenging problems, including 55 that are new to this edition. GMAT Advanced Quant comes with access to Atlas, your online learning platform. Atlas includes additional practice problems, a full-length adaptive practice exam, interactive video lessons, strategies for time management, and many other study resources. Tackle the GMAT’s toughest quant problems with Manhattan Prep, the world’s leading GMAT Prep company. To get into top business programs, you need top GMAT scores, and GMAT Advanced Quant is designed to get you there. Note: This guide is recommended for those already scoring 47 or higher on the quant section of the GMAT; to work up to a score of 47, check out Manhattan Prep’s All the Quant guide.
Advanced GMAT Quant
Author: Manhattan GMAT
Publisher: Manhattan Prep Publishing
ISBN: 9781935707158
Category : Business & Economics
Languages : en
Pages : 0
Book Description
Designed for students seeking 650+ scores, this guide offers essential techniques for approaching the GMAT’s most difficult quantitative questions, as well as extensive practice with challenging problems. You’ve worked through basic guides and you’ve taken the practice tests—now take your GMAT score to the next level. Build your higher-level quantitative skills with Manhattan GMAT’s Advanced Quant supplement, specially designed for students seeking 650+ scores. This guide combines intense practice with techniques for problem solving and data sufficiency questions, ranging from broad principles to tactics for narrowing down possible answers. Purchase of this book includes one year of online access to the Advanced Quant Homework Bank of extra practice questions and detailed explanations not included in the book, as well as to the Advanced Quant Bonus Drill Set.
Publisher: Manhattan Prep Publishing
ISBN: 9781935707158
Category : Business & Economics
Languages : en
Pages : 0
Book Description
Designed for students seeking 650+ scores, this guide offers essential techniques for approaching the GMAT’s most difficult quantitative questions, as well as extensive practice with challenging problems. You’ve worked through basic guides and you’ve taken the practice tests—now take your GMAT score to the next level. Build your higher-level quantitative skills with Manhattan GMAT’s Advanced Quant supplement, specially designed for students seeking 650+ scores. This guide combines intense practice with techniques for problem solving and data sufficiency questions, ranging from broad principles to tactics for narrowing down possible answers. Purchase of this book includes one year of online access to the Advanced Quant Homework Bank of extra practice questions and detailed explanations not included in the book, as well as to the Advanced Quant Bonus Drill Set.
GMAT Official Advanced Questions
Author: GMAC (Graduate Management Admission Council)
Publisher: John Wiley & Sons
ISBN: 1119620953
Category : Study Aids
Languages : en
Pages : 336
Book Description
GMAT Official Advanced Questions Your GMAT Official Prep collection of only hard GMAT questions from past exams. Bring your best on exam day by focusing on the hard GMAT questions to help improve your performance. Get 300 additional hard verbal and quantitative questions to supplement your GMAT Official Guide collection. GMAT Official Advance Questions: Specifically created for those who aspire to earn a top GMAT score and want additional prep. Expand your practice with 300 additional hard verbal and quantitative questions from past GMAT exams to help you perform at your best. Learn strategies to solve hard questions by reviewing answer explanations from subject matter experts. Organize your studying with practice questions grouped by fundamental skills Help increase your test-taking performance and confidence on exam day knowing you studied the hard GMAT questions. PLUS! Your purchase includes online resources to further your practice: Online Question Bank: Create your own practice sets online with the same questions in GMAT Official Advance Questions to focus your studying on specific fundamental skills. Mobile App: Access your Online Question Bank through the mobile app to never miss a moment of practice. Study on-the-go and sync with your other devices. Download the Online Question Bank once on your app and work offline. This product includes: print book with a unique access code and instructions to the Online Question Bank accessible via your computer and Mobile App.
Publisher: John Wiley & Sons
ISBN: 1119620953
Category : Study Aids
Languages : en
Pages : 336
Book Description
GMAT Official Advanced Questions Your GMAT Official Prep collection of only hard GMAT questions from past exams. Bring your best on exam day by focusing on the hard GMAT questions to help improve your performance. Get 300 additional hard verbal and quantitative questions to supplement your GMAT Official Guide collection. GMAT Official Advance Questions: Specifically created for those who aspire to earn a top GMAT score and want additional prep. Expand your practice with 300 additional hard verbal and quantitative questions from past GMAT exams to help you perform at your best. Learn strategies to solve hard questions by reviewing answer explanations from subject matter experts. Organize your studying with practice questions grouped by fundamental skills Help increase your test-taking performance and confidence on exam day knowing you studied the hard GMAT questions. PLUS! Your purchase includes online resources to further your practice: Online Question Bank: Create your own practice sets online with the same questions in GMAT Official Advance Questions to focus your studying on specific fundamental skills. Mobile App: Access your Online Question Bank through the mobile app to never miss a moment of practice. Study on-the-go and sync with your other devices. Download the Online Question Bank once on your app and work offline. This product includes: print book with a unique access code and instructions to the Online Question Bank accessible via your computer and Mobile App.
GMAT All the Quant
Author: Manhattan Prep
Publisher: Manhattan Prep
ISBN: 1506248543
Category : Study Aids
Languages : en
Pages : 529
Book Description
Manhattan Prep’s All the Quant guide is an updated and expanded version of the 5-book GMAT Quant Strategy Guide Set (6th Ed). We’ve taken the five guides, consolidated them into one book, and expanded coverage of the content and strategies that will help you to get a higher score on the GMAT. Online bonus materials include an exclusive ebook with harder content, a full-length adaptive practice test, and additional practice problems. All the Quant comes with access to the Atlas online learning platform. Your Atlas All the Quant syllabus includes: An exclusive e-book covering harder quant content, for those aiming for an especially high Quant section score A full-length GMAT computer adaptive test (CAT) Additional practice problems, interactive video lessons, strategies for time management, and more Lessons and practice problems created by expert instructors with 99th-percentile scores on the GMAT The All the Quant guide includes the following content areas: Fractions, Decimals, Percents, and Ratios Algebra Word Problems Number Properties Geometry A series of strategy lessons on Data Sufficiency (solving efficiently and effectively) and Arithmetic vs. Algebra (turning algebra into easier-to-solve arithmetic) Manhattan Prep guides are the top-selling GMAT prep guides worldwide for a reason; we have the most in-depth, comprehensive, and effective materials available for GMAT studies. Looking for comprehensive GMAT preparation? Try Manhattan Prep’s All the GMAT book set.
Publisher: Manhattan Prep
ISBN: 1506248543
Category : Study Aids
Languages : en
Pages : 529
Book Description
Manhattan Prep’s All the Quant guide is an updated and expanded version of the 5-book GMAT Quant Strategy Guide Set (6th Ed). We’ve taken the five guides, consolidated them into one book, and expanded coverage of the content and strategies that will help you to get a higher score on the GMAT. Online bonus materials include an exclusive ebook with harder content, a full-length adaptive practice test, and additional practice problems. All the Quant comes with access to the Atlas online learning platform. Your Atlas All the Quant syllabus includes: An exclusive e-book covering harder quant content, for those aiming for an especially high Quant section score A full-length GMAT computer adaptive test (CAT) Additional practice problems, interactive video lessons, strategies for time management, and more Lessons and practice problems created by expert instructors with 99th-percentile scores on the GMAT The All the Quant guide includes the following content areas: Fractions, Decimals, Percents, and Ratios Algebra Word Problems Number Properties Geometry A series of strategy lessons on Data Sufficiency (solving efficiently and effectively) and Arithmetic vs. Algebra (turning algebra into easier-to-solve arithmetic) Manhattan Prep guides are the top-selling GMAT prep guides worldwide for a reason; we have the most in-depth, comprehensive, and effective materials available for GMAT studies. Looking for comprehensive GMAT preparation? Try Manhattan Prep’s All the GMAT book set.
GMAT Official Guide 2021, Book + Online Question Bank
Author: GMAC (Graduate Management Admission Council)
Publisher: John Wiley & Sons
ISBN: 1119687829
Category : Study Aids
Languages : en
Pages : 960
Book Description
GMAT™ Official Guide 2021 Your GMAT™ prep begins here. Designed by the makers of the GMAT exam. Study with confidence. All GMAT™ Official Prep products are the only prep resources containing real GMAT™ questions from past exams. It’s why we are official. Get comprehensive practice by studying with 1,172 questions across quantitative and verbal reasoning from past GMAT™ exams. Answer explanations are included so that you can study the reasoning behind the answers to help improve your understanding and performance. The questions in each section are organized by difficulty level: easy, medium and hard. Start at the beginning and work your way up to the harder questions as you build upon your knowledge. The GMAT™ Official Guide 2021 will allow you to: LEARN ABOUT THE GMAT™ EXAM – Gain an overview of the exam including the format, content and test-taking strategies. GAIN COMPREHENSIVE PRACTICE – Prepare with over 1,172 questions across Quantitative and Verbal Reasoning sections and online. Study Answer Explanations – Learn the methods behind the answers with detailed explanations. Build Upon Your Knowledge – Practice with questions organized from easiest to hardest. Plus! Practice online with the GMAT™ Official Guide Online Question Bank Practice online with the same questions from the book PLUS more than 150 additional online-exclusive questions—included with your purchase. Online practice will allow you to: New! Review with online flashcardsto master key concepts to prepare and test with confidence Practice with a total of 1,172 practice questions Create your own online practice sets Filter by fundamental skill and difficulty level Track your improvements with performance metrics Practice in exam mode to get ready for test day Study on the go with the mobile app! Access your data seamlessly between your devices and offline! The GMAT™ Official Guide 2021 gives you the tools you need to confidently prepare for test day. This product includes print book with a unique code to access the GMAT™ Online Question Bank and mobile app.
Publisher: John Wiley & Sons
ISBN: 1119687829
Category : Study Aids
Languages : en
Pages : 960
Book Description
GMAT™ Official Guide 2021 Your GMAT™ prep begins here. Designed by the makers of the GMAT exam. Study with confidence. All GMAT™ Official Prep products are the only prep resources containing real GMAT™ questions from past exams. It’s why we are official. Get comprehensive practice by studying with 1,172 questions across quantitative and verbal reasoning from past GMAT™ exams. Answer explanations are included so that you can study the reasoning behind the answers to help improve your understanding and performance. The questions in each section are organized by difficulty level: easy, medium and hard. Start at the beginning and work your way up to the harder questions as you build upon your knowledge. The GMAT™ Official Guide 2021 will allow you to: LEARN ABOUT THE GMAT™ EXAM – Gain an overview of the exam including the format, content and test-taking strategies. GAIN COMPREHENSIVE PRACTICE – Prepare with over 1,172 questions across Quantitative and Verbal Reasoning sections and online. Study Answer Explanations – Learn the methods behind the answers with detailed explanations. Build Upon Your Knowledge – Practice with questions organized from easiest to hardest. Plus! Practice online with the GMAT™ Official Guide Online Question Bank Practice online with the same questions from the book PLUS more than 150 additional online-exclusive questions—included with your purchase. Online practice will allow you to: New! Review with online flashcardsto master key concepts to prepare and test with confidence Practice with a total of 1,172 practice questions Create your own online practice sets Filter by fundamental skill and difficulty level Track your improvements with performance metrics Practice in exam mode to get ready for test day Study on the go with the mobile app! Access your data seamlessly between your devices and offline! The GMAT™ Official Guide 2021 gives you the tools you need to confidently prepare for test day. This product includes print book with a unique code to access the GMAT™ Online Question Bank and mobile app.
Foundations of GMAT Math
Author: Manhattan GMAT
Publisher: Simon and Schuster
ISBN: 0979017599
Category : Study Aids
Languages : en
Pages : 677
Book Description
Manhattan GMAT's Foundations of Math book provides a refresher of the basic math concepts tested on the GMAT. Designed to be user-friendly for all students, this book provides easy-to-follow explanations of fundamental math concepts and step-by-step application of these concepts to example problems. With ten chapters and over 700 practice problems, this book is an invaluable resource to any student who wants to cement their understanding and build their basic math skills for the GMAT. Purchase of this book includes six months online access to the Foundations of Math Homework Banks consisting of over 400 extra practice questions and detailed explanations not included in the book.
Publisher: Simon and Schuster
ISBN: 0979017599
Category : Study Aids
Languages : en
Pages : 677
Book Description
Manhattan GMAT's Foundations of Math book provides a refresher of the basic math concepts tested on the GMAT. Designed to be user-friendly for all students, this book provides easy-to-follow explanations of fundamental math concepts and step-by-step application of these concepts to example problems. With ten chapters and over 700 practice problems, this book is an invaluable resource to any student who wants to cement their understanding and build their basic math skills for the GMAT. Purchase of this book includes six months online access to the Foundations of Math Homework Banks consisting of over 400 extra practice questions and detailed explanations not included in the book.
The Official Guide for GMAT Review
Author: GMAC (Graduate Management Admission Council)
Publisher: John Wiley & Sons
ISBN: 0470924381
Category : Study Aids
Languages : en
Pages : 220
Book Description
The Official Guide for GMAT Review, 12th Edition is the only book on the market written by the creators of the GMAT exam. Inside you’ll find more than 800 actual GMAT questions from previous tests with answers and detailed explanations. There’s also a grammar review, math review, actual essay topics, sample responses, and scoring information insights into the GMAT exam that debunk test-taking myths. Plus, use the diagnostic section to pinpoint your skill level and focus on the areas where you need the most help.
Publisher: John Wiley & Sons
ISBN: 0470924381
Category : Study Aids
Languages : en
Pages : 220
Book Description
The Official Guide for GMAT Review, 12th Edition is the only book on the market written by the creators of the GMAT exam. Inside you’ll find more than 800 actual GMAT questions from previous tests with answers and detailed explanations. There’s also a grammar review, math review, actual essay topics, sample responses, and scoring information insights into the GMAT exam that debunk test-taking myths. Plus, use the diagnostic section to pinpoint your skill level and focus on the areas where you need the most help.
GMAT Critical Reasoning
Author: Manhattan Prep
Publisher: Simon and Schuster
ISBN: 1941234011
Category : Business & Economics
Languages : en
Pages : 265
Book Description
"Learn how to identify question types, simplify arguments, and eliminate wrong answers efficiently and confidently. Practice the logic skills tested by the GMAT and master proven methods for solving all Critical Reasoning problems"--Page 4 of cover.
Publisher: Simon and Schuster
ISBN: 1941234011
Category : Business & Economics
Languages : en
Pages : 265
Book Description
"Learn how to identify question types, simplify arguments, and eliminate wrong answers efficiently and confidently. Practice the logic skills tested by the GMAT and master proven methods for solving all Critical Reasoning problems"--Page 4 of cover.
All the GMAT: Updated Syllabus for GMAT Focus 2024 + Online Starter Kit + GMAT Navigator
Author: Manhattan Prep
Publisher: Manhattan Prep
ISBN: 1506219705
Category : Study Aids
Languages : en
Pages : 263
Book Description
Rated "Best of the Best" in GMAT Prep Books by BestReviews Manhattan Prep’s 7th edition All the GMAT set and online syllabus have been fully updated for the new GMAT. The set contains all three of MPrep’s best-selling strategy guides along with digital supplements for the test changes, collectively covering all exam sections, all problem types, and all content areas on the new GMAT. This set also comes with a unique serial code that gives you access to a comprehensive 12-week study syllabus on our online platform; we’ll tell you what to do every week until your exam. Note: While the 7th edition was originally written for the Classic version of the GMAT, when you register your set on our platform, you will gain access to digital supplements for the parts of the exam that have changed. (We’ll also tell you which parts of the printed books you can ignore!) Online bonus materials include an exclusive ebook with harder content, and GMAT Navigator with full solutions for problems found in the GMAT Official Guide. (Note: The Official Guide is sold separately from the official test makers; it is not included in All the GMAT.) Extra bonus: Need to brush up on your fundamental skills first? Our Foundations of Math and Foundations of Verbal ebooks are available for free—no purchase necessary. All the GMAT comes with access to Manhattan Prep’s Atlas online learning platform. Your Atlas All the GMAT study material includes: An e-book covering harder quant content, for those aiming for an especially high GMAT score A study syllabus, integrating study strategies, time management strategies, additional practice problems, and more; we’ll tell you exactly what to do and when to do it Full access to Manhattan Prep’s GMAT Navigator, which contains solutions for all problems in the main GMAT Official Guide book (book sold separately) from the makers of the official test All lessons and practice problems created by expert instructors with 99th-percentile scores on the GMAT The All the GMAT book set includes three volumes: GMAT All the Quant guide GMAT All the Verbal guide GMAT Integrated Reasoning* & Essay guide *The Integrated Reasoning section has been renamed Data Insights on the new GMAT exam. The Essay section has been dropped from the new GMAT exam. This book set comes with a unique one-time-use serial code to access your online resources. If you have any trouble registering your books or cannot find your serial code, please contact Manhattan Prep. Please note that Manhattan Review and Manhattan Elite Prep are different companies and cannot help you with our books! If you contact someone and they won’t help, make sure you have contacted Manhattan Prep—we will make sure you get access to your resources. (Please also note that the serial code is a one-time-use code. If you buy your books used or from a third-party seller rather than from Manhattan Prep, the original purchaser will likely already have used the serial code.) Executive Assessment (EA) test-takers: The IR guide is fully built out for both EA and GMAT test-takers. The All the Quant and All the Verbal guides are also effective for EA studiers; ignore the non-coordinate-plane geometry chapters in the Quant guide and study everything else. Manhattan Prep guides are the top-selling GMAT prep books and guides worldwide for a reason; we have the most in-depth, comprehensive, and effective materials available for GMAT studies.
Publisher: Manhattan Prep
ISBN: 1506219705
Category : Study Aids
Languages : en
Pages : 263
Book Description
Rated "Best of the Best" in GMAT Prep Books by BestReviews Manhattan Prep’s 7th edition All the GMAT set and online syllabus have been fully updated for the new GMAT. The set contains all three of MPrep’s best-selling strategy guides along with digital supplements for the test changes, collectively covering all exam sections, all problem types, and all content areas on the new GMAT. This set also comes with a unique serial code that gives you access to a comprehensive 12-week study syllabus on our online platform; we’ll tell you what to do every week until your exam. Note: While the 7th edition was originally written for the Classic version of the GMAT, when you register your set on our platform, you will gain access to digital supplements for the parts of the exam that have changed. (We’ll also tell you which parts of the printed books you can ignore!) Online bonus materials include an exclusive ebook with harder content, and GMAT Navigator with full solutions for problems found in the GMAT Official Guide. (Note: The Official Guide is sold separately from the official test makers; it is not included in All the GMAT.) Extra bonus: Need to brush up on your fundamental skills first? Our Foundations of Math and Foundations of Verbal ebooks are available for free—no purchase necessary. All the GMAT comes with access to Manhattan Prep’s Atlas online learning platform. Your Atlas All the GMAT study material includes: An e-book covering harder quant content, for those aiming for an especially high GMAT score A study syllabus, integrating study strategies, time management strategies, additional practice problems, and more; we’ll tell you exactly what to do and when to do it Full access to Manhattan Prep’s GMAT Navigator, which contains solutions for all problems in the main GMAT Official Guide book (book sold separately) from the makers of the official test All lessons and practice problems created by expert instructors with 99th-percentile scores on the GMAT The All the GMAT book set includes three volumes: GMAT All the Quant guide GMAT All the Verbal guide GMAT Integrated Reasoning* & Essay guide *The Integrated Reasoning section has been renamed Data Insights on the new GMAT exam. The Essay section has been dropped from the new GMAT exam. This book set comes with a unique one-time-use serial code to access your online resources. If you have any trouble registering your books or cannot find your serial code, please contact Manhattan Prep. Please note that Manhattan Review and Manhattan Elite Prep are different companies and cannot help you with our books! If you contact someone and they won’t help, make sure you have contacted Manhattan Prep—we will make sure you get access to your resources. (Please also note that the serial code is a one-time-use code. If you buy your books used or from a third-party seller rather than from Manhattan Prep, the original purchaser will likely already have used the serial code.) Executive Assessment (EA) test-takers: The IR guide is fully built out for both EA and GMAT test-takers. The All the Quant and All the Verbal guides are also effective for EA studiers; ignore the non-coordinate-plane geometry chapters in the Quant guide and study everything else. Manhattan Prep guides are the top-selling GMAT prep books and guides worldwide for a reason; we have the most in-depth, comprehensive, and effective materials available for GMAT studies.
Complete GMAT Strategy Guide Set
Author: Manhattan Prep
Publisher: Manhattan Prep Publishing
ISBN: 9781941234105
Category : Study Aids
Languages : en
Pages : 0
Book Description
Adapting to the ever-changing GMAT exam, Manhattan Prep’s 6th Edition GMAT Strategy Guides offer the latest approaches for students looking to score in the top percentiles. Written by active instructors with 99th-percentile scores, these books are designed with the student in mind. Always study with the most up-to-date prep! Look for All the GMAT, ISBN 9781506219707, on sale September 3, 2019. The updated 3-book set is a streamlined version of the content in the Complete GMAT Strategy Guide Set. You’ll get access to 6 online practice tests, extra chapters online for advanced content, test-taking strategies from our top tier teachers, and more. Publisher's Note: Products purchased from third-party sellers are not guaranteed by the publisher for quality, authenticity, or access to any online entitles included with the product.
Publisher: Manhattan Prep Publishing
ISBN: 9781941234105
Category : Study Aids
Languages : en
Pages : 0
Book Description
Adapting to the ever-changing GMAT exam, Manhattan Prep’s 6th Edition GMAT Strategy Guides offer the latest approaches for students looking to score in the top percentiles. Written by active instructors with 99th-percentile scores, these books are designed with the student in mind. Always study with the most up-to-date prep! Look for All the GMAT, ISBN 9781506219707, on sale September 3, 2019. The updated 3-book set is a streamlined version of the content in the Complete GMAT Strategy Guide Set. You’ll get access to 6 online practice tests, extra chapters online for advanced content, test-taking strategies from our top tier teachers, and more. Publisher's Note: Products purchased from third-party sellers are not guaranteed by the publisher for quality, authenticity, or access to any online entitles included with the product.