Ten annual returns are listed in the following table: 19.9% 16.1% 18.3% - 49.9% 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? 43.1% 1.3% - 16.4% 46.1% 44.5% -3.3%