Ten annual returns are listed in the following table: (Click on the following icon in order to copy its contents into a spreadsheet.) - 19.2% 16.3% 17.9% - 49.1% 43.6% 1.3% - 16.1% 46.3% 45.3% -3.6% 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 I. (Round to four decimal places.)