Ten annual returns are listed in the following table:

19.8%

16.6%

17.9%

49.3%

43.6%

1.3%

16.4%

45.5%

44.8%

3.6%

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?

(please answer all three parts)