2) A woman is selling some land, and she will be paid a lump sum of $189,000 in 6 years. Until then, they buyer pays 681% simple interest quarterly. The buyer wants to make semiannual payments into a sinking fund paying 681% compounded semiannually for the 6 years to save for the land. a. Find the amount of each quarterly interest payment. Answer: b. Find the amount of each payment into the sinking fund