11) If you purchased a share of Mico.com stock on March 1, 1993 for $45 and you sold the stock at $168 on February 28, 1998, what was your annual rate of return on the stock?

12) Your bank has agreed to loan you $3,000 if you agree to pay a lump sum of $5,775 in five years. What annual rate of interest will you be paying?

13) Earnings per share for XYZ, Inc. grew constantly from $7.99 in 1974 to $12.68 in 1980. What was the compound annual growth rate in earnings-per-share over the period?

14) If you invest $450 today and it increases to $6,185 at the end of 20 years, what rate of return have you earned?

15)What is the present value of $12,500 to be received 10 years from today? Assume a discount rate of 8% compounded annually.