You've observed the following returns on Yamauchi Corporation's stock over the past five years: -27.6 percent, 15.4 percent, 33.8 percent, 3.2 percent, and 22.2 percent. The average inflation rate over this period was 3.32 percent and the average T-bill rate over the period was 4.3 percent. a. What was the average real return on the stock? (Do not round intermediate calculations and enter your answer as a percent rounded to 2 decimal places, e.g., 32.16.) b. What was the average nominal risk premium on the stock? (Do not round intermediate calculations and enter your answer as a percent rounded to 2 decimal places, e.g., 32.16.) del a. Average real return b. Average nominal risk premium % You've observed the following returns on Yamauchi Corporation's stock over the past five years: -29.7 percent, 16.8 percent, 36.6 percent, 3.9 percent, and 22.9 percent. The average inflation rate over this period was 3.39 percent and the average T-bill rate over the period was 4.3 percent. a. What was the average real risk-free rate over this time period? (Do not round intermediate calculations and enter your answer as a percent rounded to 2 decimal places, e.g., 32.16.) b. What was the average real risk premium? (Do not round intermediate calculations and enter your answer as a percent rounded to 2 decimal places, e.g., 32.16.) % a. Average real risk-free rate b. Average real risk premium %