Aimee Cho ran a regression of Tesla monthly excess stock returns $($in $\%)$ on the market excess returns $($also in $\%).$ Part of the single$-$factor regression output is shown below.

ANOVA

df SS MS F Significance F

Regression $11554\mathrm{.}16471554\mathrm{.}1656\mathrm{.}6498470\mathrm{.}01202082$

Residual $7016360\mathrm{.}005233\mathrm{.}7144$

Total $7117914\mathrm{.}169$

a$)$ What is the standard deviation that represents Tesla's firm$-$specific risk? That is$,$ the part of standard deviation that is specific to Tesla and not the market.