Ten annual returns are listed in the following table: (Click on the following icon in order to copy its contents into a spreadsheet.) \begin{tabular}{llllllllll} \hline19.6% & 16.7% & 17.9% & 49.3% & 43.3% & 1.5% & 16.4% & 45.9% & 44.6% & 3.1% \\ \hline \end{tabular} 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 two decimal places.)