You’ve observed the following returns on Yamauchi Corporation’s stock over the past five years: –28.2 percent, 15.8 percent, 34.6 percent, 3.4 percent, and 22.4 percent. The average inflation rate over this period was 3.34 percent and the average T-bill rate over the period was 4.3 percent. a. What was the average real return on the stock?