You've observed the following returns on Pine Computer's stock over the past five years: $-25\mathrm{.}5$ percent, $14$ percent, $31$ percent, $2\mathrm{.}5$

percent, and $21\mathrm{.}5$ percent. The average inflation rate over this period was $3\mathrm{.}25$ percent and the average T$-$bill rate over the period was

$4\mathrm{.}3$ percent.

a$.$ What was the average real risk$-$free rate over this time period?

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 real risk premium?

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