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4. Astore is currently offering a 60% discount on all items purchased. Your cashier is trying to convince you to open a store credit card and says to you, "In addition to the 60% discount you are receiving for purchasing these items on sale today, you will get an additional 20% off for opening a credit card account. That means you are getting 105% off!" a. What is the mistaken assumption here? b. Why is that assumption incorrect? c. If you did truly have 80% discount, explain what should happen when you go to the counter to buy $500 worth of items? show calculation d. If you got your 60% discount and opened up the card for an additional 20%, what is the actual % discount you would receive? show calculation e. Is it better to apply the 60% discount first or the 20% discount first? show calculation

4. Astore is currently offering a 60% discount on all items purchased. Your cashier is trying to convince you to open a store credit card and says to you, "In addition to the 60% discount you are receiving for purchasing these items on sale today, you will get an additional 20% off for opening a credit card account. That means you are getting 105% off!" a. What is the mistaken assumption here? b. Why is that assumption incorrect? c. If you did truly have 80% discount, explain what should happen when you go to the counter to buy $500 worth of items? show calculation d. If you got your 60% discount and opened up the card for an additional 20%, what is the actual % discount you would receive? show calculation e. Is it better to apply the 60% discount first or the 20% discount first? show calculation

Practical Management Science
Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter2: Introduction To Spreadsheet Modeling
Section: Chapter Questions
Problem 20P: Julie James is opening a lemonade stand. She believes the fixed cost per week of running the stand...
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4. Astore is currently offering a 60% discount on all items purchased. Your cashier is trying to convince you to open a store credit card and says to you, "In addition to the 60% discount you are receiving for purchasing these items on sale today, you will get an additional 20% off for opening a credit card account. That means you are getting 105% off!" %3D a. What is the mistaken assumption here? b. Why is that assumption incorrect? c. If you did truly have 80% discount, explain what should happen when you go to the counter to buy $500 worth of items? show calculation d. If you got your 60% discount and opened up the card for an additional 20%, what is the actual % discount you would receive? show calculation e. Is it better to apply the 60% discount first or the 20% discount first?_show calculation
Transcribed Image Text:4. Astore is currently offering a 60% discount on all items purchased. Your cashier is trying to convince you to open a store credit card and says to you, "In addition to the 60% discount you are receiving for purchasing these items on sale today, you will get an additional 20% off for opening a credit card account. That means you are getting 105% off!" %3D a. What is the mistaken assumption here? b. Why is that assumption incorrect? c. If you did truly have 80% discount, explain what should happen when you go to the counter to buy $500 worth of items? show calculation d. If you got your 60% discount and opened up the card for an additional 20%, what is the actual % discount you would receive? show calculation e. Is it better to apply the 60% discount first or the 20% discount first?_show calculation
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