Question 5 6.25 pts You've observed the following returns on Carrs's stock over the past five years: 20 percent, -12 percent, 17 percent, 20 percent, and 10 percent. Based on these returns, the arithmetic average return of the stock was 11%. Suppose the average T-bill rate over the period was 4.6 percent. What was the average risk premium on the company's stock? 6.8% O 7.1% 5.6% 6.4% O 7.7%