P 11-12 (similar to) Ten annual returns are listed in the following table: (Click on the following icon in order to copy its contents into a spreadsheet.) - 19.9% 16.6% 17.7% - 49.2% 43.7% 1.9% - 16.4% 46.3% 44.7% -3.4% 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.)