A 4-year annuity of eight $5,000 semiannual payments will begin 7 years from now, with the first payment coming 7.5 years from now. a. If the discount rate is 6 percent compounded monthly, what is the value of this annuity five years from now? (Do not round intermediate calculations and round your answer to 2 decimal places, e.g., 32.16.) b. If the discount rate is 6 percent compounded monthly, what is the value three years from now? (Do not round intermediate calculations and round your answer to 2 decimal places, e.g., 32.16.) c. If the discount rate is 6 percent compounded monthly, what is the current value of the annuity? (Do not round intermediate calculations and round your answer to 2 decimal places, e.g., 32.16.)