An investor has a series of four $ 20,000 payments expected to be realized at the end of each of evaluation years two, three, four, and five. Calculate the present value at time zero and the corresponding future values at the end of year 7. This analysis assumes that no payments are realized in periods zero, one, six or seven. Assume a nominal interested rate of 8% compounded annually. Problem 3 (2 points). A piece of mining equipment can be bought for $100,000 cash or for $32,000 down and payments of $8940 per year for 15 years. What is the annual interest rate for the time payments