Using the appropriate interest table, answer the following questions. (Each case is independent of the others).
(a) What is the future value of 20 periodic payments of $12,000 each made at the beginning of each period and compounded at 6%?
(b) What is the present value of $7,500 to be received at the beginning of each of 30 periods, discounted at 8% compound interest?
(c) What is the future value of 15 deposits of $6,000 each made at the beginning of each period and compounded at 8%? (Future value as of the end of the fifteenth period.)
(d) What is the present value of six receipts of $3,000 each received at the beginning of each period, discounted at 10% compounded interest?