Ten annual returns are listed in the following table: - 19.4% 16.3% 18.4% - 49.5% 43.7% 1.5% - 16.7% 46.1% 44.9% -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