Ten annual returns are listed in the following table: - 19.6% 16.5% 17.8% - 49.2% 43.7% 1.7% - 16.9% 46.2% 45.3% -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