Consider the following information about three stocks: Rate of Return If State Occurs State of Probability of Economy State of Economy Stock A Stock B Stock C Boom .25 .25 .30 .56 Normal .45 .22 .17 .14 Bust .30 .00 .30 .46 a-1 If your portfolio is invested 30 percent each in A and B and 40 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., 32.16.) Portfolio expected return 9.29 % a-2 What is the variance? (Do not round intermediate calculations and round your answer to 5 decimal places, e.g., 32.16161.) Variance .06519 a-3 What is the standard deviation? (Do not round intermediate calculations. Enter your answer as a percent rounded to 2 decimal places, e.g., 32.16.) Standard deviation 25.53 % b. If the expected T-bill rate is 4.80 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.) Expected risk premium 4.49 % c-1 If the expected inflation rate is 4.30 percent, what are the approximate and exact expected real returns on the portfolio? (Do not round intermediate calculations. Enter your answers as a percent rounded to 2 decimal places, e.g., 32.16.) Approximate expected real return % Exact expected real return % c-2 What are the approximate and exact expected real risk premiums on the portfolio? (Do not round intermediate calculations. Enter your answers as a percent rounded to 2 decimal places, e.g., 32.16.) Approximate expected real risk premium % Exact expected real risk premium %