Consider the following information on three stocks: Rate of Return If State Occurs State of Probability of State of Economy Stock A Stock B Stock C Economy Boom .22 .30 42 .58 46 .23 21 19 Normal Bust 32 .01 -.22 -.50 a-1. If your portfolio is invested 25 percent each in A and B and 50 percent in C, what is the portfolio expected return? (Do not round intermediate calculations and enter your answer as a percent rounded to 2 decimal places, e.g., 32.16.) a-2. What is the variance? (Do not round intermediate calculations and round your answer to 5 decimal places, e.g., .32161.) a-3. What is the standard deviation? (Do not round intermediate calculations and enter your answer as a percent rounded to 2 decimal places, e.g., 32.16.) b. If the expected T-bill rate is 4.30 percent, what is the expected risk premium on the portfolio? (Do not round intermediate calculations abd enter your answer as a percent rounded to 2 decimal places, e.g., 32.16.) c-1. If the expected inflation rate is 3.90 percent, what are the approximate and exact expected real returns on the portfolio? (Do not round intermediate calculations and enter your answers as a percent rounded to 2 decimal places, e.g., 32.16.) c-2. What are the approximate and exact expected real risk premiums on the portfolio? (Do not round intermediate calculations and enter your answers as a percent rounded to 2 decimal places, e.g., 32.16.) a-1. Portfolio expected return % a-2. Variance a-3. Standard deviation % b. Expected risk premium c-1. Approximate expected real return % Exact expected real return % c-2. Approximate expected real risk premium Exact expected real risk premium