Ten annual returns are listed in the following table: -19.4% 16.1% 18.1% -49.6% 43.9% 1.4% - 16.6% 46.4% 44.7% -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 %. (Round to two decimal places.)