Youve observed the following returns on Yamauchi Corporations stock over the past five years: 28.8 percent, 16.2 percent, 35.4 percent, 3.6 percent, and 22.6 percent. The average inflation rate over this period was 3.36 percent and the average T-bill rate over the period was 4.3 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.)