Problem 11-25 Portfolio Returns and Deviations [LO 2] Consider the following information on a portfolio of three stocks: State of Economy Boom Normal Bust Probability of State of Economy 15 53 32 Stock A Rate of Return 04 12 18 Stock B Rate of Return 34 24 -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 what is the portfolio's expected return the variance, and the standard deviation? (Do not round 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 (e.g. 32.16).) 10.32% Expected return Variance Standard deviation b) If the expected T-billi 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 (e.... 32.16).) Expected risk premium 5979