Youve observed the following returns on Barnett Corporations stock over the past five years: 28.5 percent, 16 percent, 35 percent, 3.5 percent, and 22.5 percent. The average inflation rate over this period was 3.35 percent and the average T-bill rate over the period was 4.3 percent. What was the average real risk-free rate over this time period?What was the average real risk premium?