Ten annual returns are listed in the following table: (Click on the following icon in order to copy its contents into a spreadsheet.) - 19.9% 16.9% 18.5% - 49.5% 43.9% 1.8% - 16.8% 45.6% 45.3% -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