You've observed the following returns on Pine Computer's stock over the past five years: $-28\mathrm{.}5$ percent, $16$ percent, $35$ percent, $3\mathrm{.}5$ percent, and $22\mathrm{.}5$ percent. The average inflation rate over this period was $3\mathrm{.}35$ 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$.,32\mathrm{.}16.$

Answer is not complete.

$\backslash$table$[[$a$.$ Average real return,$\%,],[$b$.$ Average nominal risk premium,$5\mathrm{.}40,\%$