Problem 13-23 Portfolio Returns and Deviations (L01, 2) Consider the following information about three stocks. State of Probability of Rate of Return if State Occurs Economy State of Economy Stock A Stock 8 Stock Boom 0.20 0.28 0.40 Normal 0.56 0.45 0.22 0.20 0.18 Bust 0.35 0.00 -0.20 -0.48 2-1. If your portfolio is invested 30% each in A and B and 40% in C, what is the portfolio expected return? (Do not found intermediate calculations. Enter the answer as a percent rounded to 2 decimal places.) Portfolio expected return 26 25 % 0-2 What is the variance? (Do not round intermediate calculations. Round the final answer to 8 decimal places.) Variance 03. What is the standard deviation? (Do not round intermediate calculations, Enter the answer as a percent rounded to 2 decimal places.) Standard deviation 03. What is the standard deviation? (Do not round intermediate calculations. Enter the answer as a percent rounded to 2 decimal places.) Standard deviation b. If the expected T-bill rate is 4 40%, what is the expected risk premium on the portfolio? (Do not round intermediate calculations. Enter the answer as a percent rounded to 2 decimal places.) Expected risk premium c1. If the expected inflation rate is 2.40%, what are the approximate and exact expected real returns on the portfolio? (Do not round intermediate calculations. Enter the answers as a percent rounded to 2 decimal places.) 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 the answers os a percent rounded to 2 decimal places.) Approximate expected real risk premium Exact expected real risk premium