CUnSlder the tollowing information on three stocks: Rate of Return If State Occurs State of Economy Boom Normal Bust Probability of State of Economy Stock A .28 Stock B .25 40 . 35 Stock C .52 .07 -.42 .40 . 09 . 02 -.22 a-1 If your portfolio is invested 35 percent each in A and B and 30 percent in C, what is the portfolio expected return? (Do not round intermediate calculations. Enter your answer as a percent rounded to 2 decimal places, e.g., 3 Portfolio expected return 7% a-2 What is the variance? (Do not round intermediate calculations and round your answer to 5 decimal p 32.16161. Variance a-3 What is the standard deviation? (Do not round intermediate calculations. Enter your answer as decimal places, e.g., 32.16.) Standard deviation-% a percent rounded to 2 b. If the expected T-bill rate is 3.10 percent, what is the expected risk premium on the portfolio? (Do not round intermediate calculations. Enter your answer as a percent rounded to 2 decimal places, e.g., 32.16.)