7. (4 points; partial credit given) Stock A's expected return and standard deviation are E[ra] = 8% and de 15%, while stock B's expected return and standard deviation are E[ru] = 12% and = 21%. Determine the expected return and standard deviation of the return on a portfolio with weights War 35 and we=65 for the following two alternative values of correlation between A and B: p=0.6 and pre- (show me your work, no credit given unless work is shown, circle your final answers)