Ten annual returns are listed in the following table:(Click on the following icon in order to copy its contents into a spreadsheet.)

19.9% 16.6% 18.0% 50.0% 43.3% 1.2% 16.5% 45.6% 45.2% 3.0%

a. What is the arithmetic average return over the 10-year period?

b. What is the geometric average return over the 10-year period?

c. If you invested $100 at the beginning, how much would you have at the end?