"You’ve observed the following returns on Crash-n-Burn Computer’s stock over the past five years: 6 percent, –13 percent, 24 percent, 18 percent, and 15 percent. The average inflation rate over this period was 3 percent and the average T-bill rate was 4.35 percent. What was the average real return on the company's stock? [First find average of the nominal returns and use Fisher's equation to find average real return]"