Two investments, X and Y, have the characteristics shown below.

E(X)=$50,

E(Y)=$100,

2/X=11,000,

2/Y=13,000,

and

XY=7,000

If the weight of portfolio assets assigned to investment X is 0.2,compute the

a. portfolio expected return and

b. portfolio risk.

a. If the weight of portfolio assets assigned to investment X is 0.2, the portfolio expected return is $ _____ ?