Ten annual returns are listed in the following table:
-19.8% 16.9% 18.5% -49.8% 43.1% 1.9% -16.3% 45.7% 45.4% -3.8%
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?