You want to buy a new sports coupe for $73,900, and the finarice office at the dealership has quoted you a loan with an APR of 62 percent for 72 moriths to buy the car. a. What will your monthly paytients be? (bo not round intermediate colculations and round your answer to 2 decimol pleces, e.9., 32.16.) b. What is the effective annual rate on this loan? (Do not round intermediote colculations and enter your answer os a percent rounded to 2 decimal places, e.g. 32.16.)