How do I solve?

Youve observed the following returns on SkyNet Data Corporations 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 return on the stock?(Do not round intermediate calculations and enter your answer as a percent rounded to 2 decimal places, e.g., 32.16.)

Average real return

%

b.	What was the average nominal risk premium on the stock?(Do not round intermediate calculations and enter your answer as a percent rounded to 1decimal place, e.g., 32.1.)

Average nominal risk premium

%