Ten annual returns are listed in the following table:

-19.4%

16.3%

18.4%

49.8%

43.3%

1.8%

16.2%

46.4%

44.6%

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?