You've observed the following returns on Crash-n-Burn Computer's stock over the past five years: 3 percent. -14 percent, 29 percent, 20 percent, and 14 percent What was the arithmetic average return on the company's stock over this five-year period? What was the variance of the company's returns over this period? 0.02753 0.02838 0.02202 0.02505