You've observed the following returns on Pine Computer's stock over the past five years: $12$ percent, $-12$ percent, $19$ percent, $24$ percent, and $10$ percent. Suppose the average inflation rate over this period was $2\mathrm{.}5$ percent and the average T$-$bill rate over the period was $3\mathrm{.}2$ percent.

a$.$ What was the average real risk$-$free rate over this time period? $($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 real risk premium? $($Do not round intermediate calculations and enter your answer as a percent rounded to $2$ decimal places, e$.$g$.,32\mathrm{.}16.$