Ten annual returns are listed in the following table: (Click on the following icon e in order to copy its contents into a spreadsheet.) - 19.7% 16.4% 17.9% - 49.1% 43.9% 1.3% - 16.9% 45.7% 45.2% -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