R2 Asset E(Ry) StdDevy By A 7% 8% 0.967 CoVxY 0.34 0 B 9% 4% 1.300 0.72 0 What is the expected return of a portfolio composed of $600 in Asset A and $400 in Asset B? 7.8% 9.5% 8.5% 7.5% 5.796