Ten annual returns are listed in the following table: - 19.4% 16.9% 17.9% -49.4% 43.9% 1.4% - 16.9% 45.9% 45.4% -3.3% 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