You've observed the following returns on Pine Computer's stock over the past five years -24.6 percent, 13.4 percent, 29.8 percent, 2.2 percent, and 21.2 percent. The average inflation rate over this period was 3.22 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?