You've observed the following returns on Pine Computer's 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 $3\mathrm{.}1$ percent and the average $T-$bill rate over the period

was $4\mathrm{.}4$ 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$.,32\mathrm{.}16.)$

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$.,32\mathrm{.}1.)$