Ten annual returns are listed in the following table: (Click on the following icon in order to copy its contents into a spreadsheet.) 19.3% 16.1% 18.4% - 49.1% 43.4% 1.5% - 16.5% 46.3% 45.1% -3.8% 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