Answer this question and show the process

1. Consider the following information (show your calculations) (10 points) Probability of State of Economy Stock A Stock B Stock C 0.2 0.24 0.36 0.55 Boom 0.55 0.17 0.13 0.09 Normal 0.25 0.00 -0.28 -0.45 Bust a. If your portfolio is invested 40% each in A and B and 20% in C, what is the portfolio expected return? The variance? The standard deviation? b. If the expected T-bill rate is 3.8%, what is the expected risk premium on the portfolio