You've observed the following returns on Pine Computer's 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 31 percent and the average Tibili rate over the period was 41 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, 6.9.32.16. b. What was the average real risk premiam? Note: Do not round intermediate calculations and enter your answer as a percent rounded to 2 decimal places, e.g. 32.16