Youve observed the following returns on Pine Computers stock over the past five years: 8 percent, 12 percent, 14 percent, 21 percent, and 16 percent. The average inflation rate over this period was 3.1 percent and the average T-bill rate over the period was 4.1 percent.

a. What was the average real risk-free rate over this time period? Note: 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? Note: Do not round intermediate calculations and enter your answer as a percent rounded to 2 decimal places, e.g., 32.16.