#4 You've observed the following returns on Crash-n-Burn Computer's stock over the past 5 years: 2%-8%,24%, 19%, and 12%. (a) What was the average return and standard deviation of returns on Crash-n-Burn's stock over this 5 year period? (b) Suppose the average T-bill rate over this period was was 4.2%. What was the average risk premium on the stock