P 11-11 (similar to) Question Help * Ten annual returns are listed in the following table: -19.8% 16.2% 17.7 % -49.5% 43.9% 1.6% -16.5% 46.2% 45.3% -3.9% 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.)