Suppose that a company's sales were $5,000,000 three years ago. Since that time sales have grown at

Question:

Suppose that a company's sales were $5,000,000 three years ago. Since that time sales have grown at annual rates of 10 percent, - 10 percent, and 25 percent.
a. Find the geometric mean growth rate of sales over this three-year period.
b. Find the ending value of sales after this three-year period.