Ten annual returns are listed in the following table: (Click on the following icon in order to copy its contents into a spreadsheet.) 19.7% 16.8% 18.1% - 49.8% 43.4% 1.6% 16.4% 46.1% 45.1% - 3.1% 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? a. What is the arithmetic average return over the 10-year period? The arithmetic average return over the 10-year period is (Round to four decimal places.)