Swed Assignments 1 The standard deviation of the market Index portfolio is 50% Stock A has a beta of 130 and a residual standard deviation of 60% 10 o. Calculate the total variance for an increase of 0.20 in its beto (Do not round intermediate calculations. Round your answer to the nearest Whole number) Total variance 0.220 b. Calculate the total variance for an octease of 10.7% in ts residual standard deviation (Do not round intermediate calculations, Round your answer to the nearest whole number) Total area 107