Youve observed the following returns on Pine Computers stock over the past five years: 18 percent, 14 percent, 20 percent, 22 percent, and 10 percent. Suppose the average inflation rate over this period was 3.1 percent and the average T-bill rate over the period was 4.4 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.)