Problem $10-10$ Calculating Real Returns and Risk Premiums $[$LO $1]$

You've observed the following returns on Pine Computer's stock over the past five years: $-28\mathrm{.}8$ percent, $16\mathrm{.}2$ percent, $35\mathrm{.}4$ percent, $3\mathrm{.}6$ percent, and $22\mathrm{.}6$ percent. The average inflation rate over this period was $3\mathrm{.}36$ 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$.,32\mathrm{.}16.$

$\backslash$table$[[$a$.$ Average real return,$\%$