You've observed the following returns on Pine Computer's stock over the past five years: $-25\mathrm{.}2$ percent, $13\mathrm{.}8$ percent, $30\mathrm{.}6$ percent,

$2\mathrm{.}4$ percent, and $21\mathrm{.}4$ percent. The average inflation rate over this period was $3\mathrm{.}24$ percent and the average $T-$bill rate over the period

was $4\mathrm{.}3$ percent.

a$.$ What was the average real return on the stock?

Note: 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 stock?

Note: Do not round intermediate calculations and enter your answer as a percent rounded to $2$ decimal places, e$.$g$.,32\mathrm{.}16.$

a$.$ Average real return

b$.$ Average nominal risk premium