Ten annual returns are listed in the following table: (Click on the following icon o in order to copy its contents into a spreadsheet.) 19.5% 16.1% 17.9% - 49.5% 43.3% 1.2% 16.2% 46.3% 45.1% -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