Problem 12-10 Calculating Real Returns and Risk Premiums [LO1]

Youve observed the following returns on Crash-n-Burn Computers stock over the past five years: 10 percent, 10 percent, 17 percent, 22 percent, and 10 percent. Suppose the average inflation rate over this period was 1.5 percent and the average T-bill rate over the period was 3 percent.

a.	What was the average real return on the companys 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 companys stock? (Do not round intermediate calculations and enter your answer as a percent rounded to 1 decimal place, e.g., 32.1.)