Ten annual returns are listed in the following table: 1.9% - 16.8% - 19.1% 16.2% 18.3% - 49.5% Click on the following icon to copy the data into a 43.5% spreadsheet.() 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. The arithmetic average return over the 10-year period is 46.5% (Round to four decimal places.) 44.9% - 3.8%