Ten annual returns are listed in the following table: - 19.4% 16.9% 18.1% - 49.6% 43.7% 1.9% 16.7% 46.5% 45.2% -3.2% 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.)