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% 16.9% 18.1% - 49.1% 43.4% 1.2% - 16.2% 46.1% 44.8% - 3.5% 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?