Justin Thomas 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. Regression Statistics Multiple R 0.294544 R Square 0.086756 Adjusted R Square 0.07371 Standard Error 15.28772 Observations 72 How much of the Tesla monthly return variation is explained by the variation of the market returns? O 0.294544 O 0.086756 O 0.07371 O 72