Consider the following information on a portfolio of three stocks: State of Economy Boom Normal Bust Probability of State of Economy .12 .52 .36 Stock A Rate of Return .05 .13 .19 Stock B Rate of Return .35 .15 -.14 Stock C Rate of Return .57 .23 -.38 a. If your portfolio is invested 42 percent each in A and B and 16 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.) 1% Expected return Variance Standard deviation 1% b. If the expected T-bill rate is 3.9 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 %