You can buy a car that is advertised for $20,880 on the following terms: (a) pay $20,880 and receive a $2,880 rebate from the manufacturer; (b) pay $580 a month for 3 years for total payments of $20,880, 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? O Option b Option a