You$$ve observed the following returns on Crash$-$n$-$Burn Computer$$s

stock over the past five years: $14$ percent, $14$ percent, $16$

percent, $26$ percent, and $10$ percent. Suppose the average inflation

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

over the period was $4$ percent.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$.,$

$32\mathrm{.}16.)$