1. Using the Rule of 72, how long will it take for prices to double if the rate of inflation averages 3% per year?
2. Your friend borrowed $500 and repaid $700 six years later. What was your compound annual rate of return?
3. In any economy as a whole, the level of saving for a given period of time must ______ the level of investing
a. be greater than
b. be unrelated to
c. equal
d. be less than