You have decided to invest 30 percent in X; 30 percent in Y; and 40 percent in Z. Theprobability of the state of the economy is Boom 25%; Normal 60%; and, Bust 15%. The rateof return for stock X is Boom .20; Normal .15; and, Bust .00. The rate of return for stock Y isBoom .35; Normal .10; and, Bust -.30. The rate of return for stock Z is Boom .60; Normal .05;Bust -.40.A] What is the portfolio expected return?B] If the expected T-bill rate is 1-5 percent, what is the expected risk premium on theportfolio?