According to the regression output, what is the proportion of the total variation in the dependent variable that is explained by the independent variable(s)? Regression Statistics Multiple R 0.7877 R Square 0.6204 Adjusted R Square 0.5255 Standard Error 392.5123 Observations 6 392.51% 62.04% 78.77% 52.55% According to the following output, which of the results is statistically significant? Coefficients Standard Error Intercept (1,221.2989) 799.8386 Sales 0.4144 0.1621 t Stat P-value (1.5269) 0.2015 2.5568 0.0629 The intercept Sales Both the intercept and sales Neither the intercept, nor sales the p-value B What should be the formula in B4? A 1 Break-even Point 2 Degree of Financial Leverage 3 Degree of Combined Leverage 4 Degree of Operating Leverage =B2*B3 =B2+B3 215,000 2.00 3.00 ? =B1/(B2+B3) =B3/B2 =B2/B3