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a-1. If your portfolio is invested 45% each in A and B and 10% in C, what is the portfolio expected return? (Do not round intermediate calculations. Enter the answer as a percent rounded to 2 decimal places.) Portfolio expected return % a-2. What is the variance? (Do not round intermediate calculations. Round the final answer to 8 decimal places.) Variance a-3. 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 4.10%, 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 % c-1. If the expected inflation rate is 2.10%, 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 as a percent rounded to 2 decimal places.) Approximate expected real risk premium Exact expected real risk premium Consider the following information about three stocks: Rate of Return if State Occurs Stock A Stock B Stock C State of Economy Boom Normal Bust Probability of State of Economy 0.25 0.48 0.27 0.22 0.19 0.03 0.34 0.17 -0.35 0.56 0.15 -0.44