Consider the following information about three stocks: Rate of Return If State Occurs State of Probability of Economy Economy Boom Normal Bust State of Stock A Stock B 30 30 Stock C 56 14 46 25 25 .45 30 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 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 a-3. What is the standard deviation? (Do not round intermediate calculations and b. If the expected T-bill rate is 4.80 percent, what is the expected risk premium on the answer to 5 decimal places, e.g., .16161.) enter your answer as a percent rounded to 2 decimal places, e.g., 32.16.) portfolio? (Do not round intermediate calculations and enter your answer as a percent rounded to 2 decimal places, e.g., 32.16.) 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 and enter your answers as a percent rounded to 2 decimal places, e.g., 32.16.) c-1. 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.)