1. You have borrowed 15,000 and agreed to repay the loan with 5 annual level payments of 4000, with the first payment occurring one year from today. What annual interest rate are you paying?
2. Explain the mechanics of compounding. Provide an example.
3. An annuity pays 1 at the end of each year for n years. Using an annual effective interest rate of i, the accumulated value of the annuity at time (n + 1) is 13.776. It is also known that (1 + i) n = 2.476. Calculate n.