Ten annual returns are listed in the following table: - 19.5% 16.7% 17.9% - 49.6% 43.2% 1.6% - 16.8% 46.3% 44.9% -3.4% 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