you’ve observed the following returns on crash-n-burn computer’s stock over the past five years: 8 percent, −15 percent, 19 percent, 31 percent, and 21 percent. suppose the average inflation rate over this period was 3.1 percent and the average t-bill rate over the period was 3.9 percent.a.what was the average real return on the company's 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 company's stock? (do not round intermediate calculations and enter your answer as a percent rounded to 1 decimal place, e.g., 32.1.)