Ten annual returns are listed in the following table: 19.8% 16.6% 18.1% -49 2% 43.8% 15% - 16.7% 45.8% 44.6% -3.8% 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 5100 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.)