9.1.1. The table shows the regression output of Googal's excess return on S&P500 excess return over the period April 2019-March 2022. Coefficients Standard error t-statistic P-value Multiple R 0.6146 Intercept 0.0174 0.0090 1.9250 0.0626 R-square 0.3777 slope 0.7780 0.1713 4.5427 0.0001 Adj R-square 0.3594 (1) What percentage of the variation in Googal's excess return is explained by the variation in the excess returns of S&P500? (2) What is beta coefficient of Googal stock?. (3) Determine whether DBS is overvalued or undervalued and interpret it with p-value