1. If the nominal annual discount rate is 9.25 percent and inflation is 3.5 percent per year, what is the real annual interest rate?
2. If the population of walleyes in a lake will grow from its current level of 100,000 fish to 2,500,000 fish 22 years from now, what is the average annual rate of growth of the walleye population over this 22 year period?