7. Wally World Department store charges interest to cardholders. If the balance is not paid, the cardholder must pay a 5% minimum payment of the ending balance or $10, whichever is greater. Find the...

Extracted text: 7. Wally World Department store charges interest to cardholders. If the balance is not paid, the cardholder must pay a 5% minimum payment of the ending balance or $10, whichever is greater. Find the minimum payment for the following: a) Previous balance of $420.27; payment made of $375.24; purchases of $45.89; interest of $20.45. b) Previous balance of $546.87; payment made of $46.87; purchases of $124.00: interest of $21.84.