Suppose that you borrow $16,000 for three years at 7% toward the purchase of a car. Use PMT =[1(1+nr)nt]P(nr) to find the monthly payments and the total interest for the loan. The monthly payment is $ (Do not round until the final answer. Then round to the nearest cent as needed.) The total interest for the loan is $ (Use the answer from part (a) to find this answer. Round to the nearest cent as needed.)