GLM stock provided annual returns of 9.9 percent, 8.2 percent, 6.7 percent, 4.5 percent, and 7.1 percent over the last 5 years. What is the geometric average rate of return?

Select one:

a. 5.56%

b. 6.03%

c. 6.69%

d. 5.48%

e. 4.42%