You are borrowing $1,575 to purchase a washer and dryer using a 36 month installment plan. Determine the annual percentage rate (APR) and the monthly payment given that the interest charge is $99.32. Round your answer to the nearest whole percent and to the nearest cent.
A. %% 47.2
b. 5% 50.18
C. 4% 49.4
D. 4% 46.5