Present Value of Annuity Payments Hertziger Corporation has agreed to make the following annual payments to Gonzo Company. Payments are made at the end of the year. Compute the present value of each of the following series of payments:

a. $30,000 paid annually for 12 years, with an annual interest rate of 8 percent.

b. $8,000 paid annually for 15 years, with an annual interest rate of 6 percent.

c. $40,000 paid annually for 25 years, with an annual interest rate of 12 percent.

d. $75,000 paid annually for 9 years, with an annual interest rate of 5 percent.

e. $25,000 paid annually for 20 years, with an annual interest rate of 4 percent.