You want to buy a new sports coupe for $75,400, and the finance office at the dealership has quoted you a loan with an APR of 7.8 percent for 60 months to buy the car. What will your monthly payments be? (Do not round intermediate calculations and round your answer to 2 decimal places, e.g., 32.16.) Monthly payment $ What is the effective annual rate on this loan? (Do not round intermediate calculations and enter your answer as a percent rounded to 2 decimal places, e.g., 32.16.) Effective annual rate