Ten annual returns are listed in the following table: (Click on the following icon in order to copy its contents into a spreadsheet.) - 19.8% 16.8% 17.7% - 49.9% 43.4% 1.8% - 16.3% 45.9% 45.2% -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