Ten annual returns are listed in the following table:

-19.9 16.6 18.0 -50.0 43.3 1.2 -16.5 45.6 42.5 -3.0

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?