Consider the following information on a portfolio of three stocks: Probability of State of Economy State of Economy Boom Normal Bust Stock A Rate of Return 08 16 17 Stock B Rate of Return Stock C Rate of Return 15 54 31 ,28 .26 -.27 -.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 12.46 % 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 to2 decimal places, e.g., 32.16) Expected risk premium 7.91 %