You've observed the following returns on Pine Computer's stock over the past five years: $-24\mathrm{.}3$ percent, $13\mathrm{.}2$ percent, $29\mathrm{.}4$ percent, $2\mathrm{.}1$ percent, and $21\mathrm{.}1$ percent. The average inflation rate over this period was $3\mathrm{.}21$ 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$.,32\mathrm{.}16.$

Answer is complete but not entirely correct.

$\backslash$table$[[$a$.$ Average real risk$-$free rate,$4\mathrm{.}93x,\%$