Ten annual returns are listed in the following table 19.3% 16.4% 17.6% 49.7% 43.7% 16.1% 45.7% 44.7% 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