Problem $12-10$ Calculating Real Returns and Risk Premiums LO$1]$ You've observed the following returns on Pine Computer's stock over the past five years $10$ percent$-10$ percent, $17$ percent $,22$ percent, and $10$ percent Suppose the average inflation rate over this period was $1\mathrm{.}5$ percent and the average T$-$ bill rate over the period was $3$ percent 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$.,32\mathrm{.}16.)$ 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$.,32\mathrm{.}1.)$