Consider the following information on a portfolio of three stocks: State of Economy Boom Normal Bust Probability of State of Economy . 15 -54 .31 Stock Rate of Return .08 .16 .17 Stock Rate of Return .33 .28 -.27 Stock Rate of Return -44 .26 -.36 a. If your portfolio is invested 38 percent each in A and B and 24 percent in C, 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 Enter your other answers as a percent rounded to 2 decimal places, e.g., 32.16.) Expected return Variance Standard deviation b. If the expected T-bill rate is 4.55 percent, what is the expected risk premium on the portfolio? (Do not round intermediate calculations and enter your answer as a percent rounded to 2 decimal places, e.g., 32:16.) Expected risk premium