29.(a)Given the following information, calculate the expected return of Portfolio ABC Expected return of stock A-10%, Expected return of stock B-15%, Expected return of stock C-6% percent is invested in C 40 percent of the portfolio is invested in A, 40 percent is invested in B and 20 (b) Assume ABC are all positively correlated. A fourth stock is being considered for addition to the portfolio, either stock D or stock E. Both D and E have expected returns of 12%. If stock D is positively correlated with ABC and E is negatively correlated with ABC, which stock should be added to the portfolio? Why