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You've observed the following returns on Pine Computer's stock over the past five years: 24.9 percent, 13.6 percent, 30.2 percent, 23 percent, and 21.3 percent. The average inflation rate over this period was 3.23 percent and the average T-bill rate over the period was 4.3 percent a. What was the average real return on the stock? Note: Do not round intermediate calculations and enter your answer as a percent rounded to 2 decimal places, e.9. 32.16. b. What was the average nominal risk premium on the stock? Note: Do not round intermediate calculations and enter your answer as a percent rounded to 2 decimal places, e.g., 32.16