Please show me steps on how to do this

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%	45.2%	-3.0%
a. What is the arithmetric 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.	Arithmetric Average:
b.	Geometric Average:
c.	Final Value of $100