Calculate the present value of $8,000 received five years from today if your investments pay for the following interest rates. (Do not round intermediate calculations. Round your answers to 2 decimal places. (e.g., 32.16)) Present Value a. 6 percent compounded annually b. 8 percent compounded annually c. 10 percent compounded annually d. 10 percent compounded semiannually e. 10 percent compounded quarterly