Ten annual returns are listed in the following table: 19.7% 16.9% 18.2% 49.8% 43.4% 1.9% 16.8% 46.5% 45.3% 3.5% 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?