can you help me these two questions?

Consider an investment held over three years with a return of +20 percent in the first year, 25 percent in the second year, and +20 percent in the third year. What is the arithmetic mean return on the investment? 2.6% +2.6% +5.0% +8.0% Question 16 (1 point) Saved Consider an investment held over three years with a return of +20 percent in the first year, 25 percent in the second year, and +20 percent in the third year. What is the geometric mean return on the investment? 2.6% +2.6%