Please help me with this finance question.

Problem 5-29 Annuities (LO3) You can buy a car that is advertised for $15,480 on the following terms: (a) pay $15,480 and recelve a $2.480 rebate from the manufacturer: (b) pay $430 a month for 3 years for total payments of $15,480, implying zero percent financing. a. Calculate the present value of the payments for option (a) if the interest rate is 75% per month. Present value b. Calculate the present value of the payments for option (b) if the Interest rate is 75% per month. (Do not round intermediate calculations. Round your answer to 2 decimal places.) Present value c. Which is the better deal? Option b