Problem 11-25 Portfolio Returns and Deviations [LO 2] Consider the following information on a portfolio of three stocks State of Probability of Stock Stock B Economy State of Economy Rate of Return Rate of Return Boom 15 .04 34 Normal 53 12 24 Bust 32 18 - 23 Stock C Rate of Retum 48 22 -37 Required: (a) If your portfolio is invested 36 percent each in A and B and 28 percent in C, what is the portfolio's expected return the variance, and the standard deviation? (Do not found intermediate calculations. Round your variance answer to 5 decimal places (e.g., 32.16161) and input your other answers as a percentage rounded to 2 decimal places (eg., 32.16).) % Expected return Variance Standard deviation % (b) If the expected T-bill rate is 4.35 percent what is the expected risk premium on the portfolio? (Do not round intermediate calculations. Enter your answer as a percentage rounded to 2 decimal places (0.g. 32. 16).) Expected risk premium %