a. If you take out an $27,000 car loan that calls for 60 monthly payments starting after 1 month at an APR of 16.10%, what is your monthly payment? (Do not round intermediate calculations. Round your answer to 2 decimal places.) Monthly payment $ b. What is the effective annual interest rate on the loan? (Do not round intermediate calculations. Round your answer to 2 decimal places.) Effective annual interest rate %