You've observed the following returns on Crash-n-Burn Computer's stock over the past five years: 12 percent, -9 percent, 20 percent, 17 percent, and 10 percent. Suppose the average inflation rate over this period was 3.2 percent and the average T-bill rate over the period was 4.9 percent. a. What was the average real return on Crash-n-Burn's stock? (Round your answer to 2 decimal places. (e.g., 32.16)) Average real return % b. What was the average nominal risk premium on Crash-n-Burn's stock? (Round your answer to 1 decimal place. (e.g., 32.1)) Average nominal % risk