4. Chuck Hickman bought a rare stamp for his collection. He agreed to pay a lump sum of $4,000 after 4 years. Until then, he pays 6% simple interest semiannually. (A) Find the amount of each semiannual interest payment. (B) Chuck Hickman sets up a sinking fund so that enough money will be present to pay off the $4,000. He wants to make annual payments into the fund. The account pays 8% compounded annually. Find the amount of each payment. (C) Prepare a table showing the amount in the sinking fund after each deposit