Please answer parts a through c!

Ten annual returns are listed in the following table: (Click on the following icon in order to copy its contents into a spreadsheet.) - 19.1% 16.2% 18.2% -49.2% 43.1% 1.9% - 16.3% 46.2% 44.9% -3.4% 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.)