Youve observed the following returns on Crash-n-Burn Computers stock over the past five years: 20 percent, 12 percent, 17 percent, 20 percent, and 10 percent. Suppose the average inflation rate over this period was 1.7 percent and the average T-bill rate over the period was 4.6 percent. a. What was the average real return on Crash-n-Burns 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-Burns stock? (Round your answer to 1 decimal place. (e.g., 32.1)) Average nominal risk %