Suppose you just bought an annuity with 12 annual payments of $16,200 at a discount rate of 13 percent per year. a. What is the value of the investment at the current interest rate of 13 percent? Note: Do not round intermediate calculations and round your answer to 2 decimal places, e.g., 32.16. b. What happens to the value of your investment if interest rates suddenly drop to 8 percent? Note: Do not round intermediate calculations and round your answer to 2 decimal places, e.g., 32.16 . c. What happens to the value of your investment if interest rates suddenly rise to 18 percent? Note: Do not round intermediate calculations and round your answer to 2 decimal places, e.g., 32.16