Problem 5-57 Loan Payments (LO4) You take out an $8,400 car loan that calls for 36 monthly payments starting after 1 month at an APR of 9%. a. What is your monthly payment? (Do not round intermediate calculations. Round your answer to 2 decimal places.) b. What is the effective annual interest rate on the loan? (Do not round intermediate calculations. Enter your answer as a percent rounded to 2 decimal places.) c. Now assume the payments are made in three annual year-end installments. What annual payment would have the same present value as the monthly payment you calculated? (Do not round intermediate calculations. Round your answer to 2 decimal places.)