39. A new employee charged $4780 on his credit card to relocate for his first job. After noticing that the interest rate for his balance was 24% compounded monthly, he stopped charging on that account. He wishes to pay off his balance, $4780, in 3 years using automatic payments sent at the end of each month.

a. What monthly payment must he make to pay off the account at the end of 3 years?

b. How much total interest will he have paid?

38. Fritz Benjamin buys a car with a loan of $17700. He agrees to make payments at the end of each monthly period for 4 years. He pays 4.8%

interest, compounded monthly. What is the amount of each payment? Find the total amount of interest Fritz will pay.

Please help with both questions.