answer all parts please

Ten annual returns are listed in the following table: (Click on the following icon in order to copy its contents into a spreadsheet) 19.5% 16.5% 18.2% -49.3% 43.4% 1.8% 16.3% 45.7% 44.8% -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? 7 a. What is the arithmetic average return over the 10-year period? The arithmetic average return over the 10-year period is l%. (Round to two decimal places)