Q. Sarah and Joshua each use their credit cards to buy holiday packages to Adelaide. The cost of the package is $1700 for each person. a) The charge on Sarah’s credit card is 0.9% compound interest per month on the unpaid balance. It has no interest-free period. Sarah pays $800 after one month and another $500 the next month. How much does she still owe on her credit card? b) The charge on Joshua’s credit card is interest-free in the first month and 1.4% compound interest per month on any unpaid balance. Joshua pays $800 after one month and another $500 the next month. How much does he still owe on his credit card? Write detailed solutions.

Essentials Of Investments
11th Edition
ISBN:9781260013924
Author:Bodie, Zvi, Kane, Alex, MARCUS, Alan J.
Publisher:Bodie, Zvi, Kane, Alex, MARCUS, Alan J.
Chapter1: Investments: Background And Issues
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Q. Sarah and Joshua each use their credit cards to buy holiday packages to Adelaide. The cost of the package is $1700 for each person.

a) The charge on Sarah’s credit card is 0.9% compound interest per month on the unpaid balance. It has no interest-free period. Sarah pays $800 after one month and another $500 the next month. How much does she still owe on her credit card?

b) The charge on Joshua’s credit card is interest-free in the first month and 1.4% compound interest per month on any unpaid balance. Joshua pays $800 after one month and another $500 the next month. How much does he still owe on his credit card?

Write detailed solutions.

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