Consider the following information about three stocks: State of Economy Boom Normal Bust Probability of State of Economy 0.25 0.45 0.30 Rate of Return if State Occurs Stock A Stock B Stock C @.30 0.42 0.54 8.12 0.10 @.08 0.03 -0.24 -0.44 a-1. If your portfolio is invested 45% each in A and B and 10% in C, what is the portfolio expected return calculations. Enter the answer as a percent rounded to 2 decimal places.) Portfolio expected return 10,11 % a-2. What is the variance? (Do not round intermediate calculations. Round the final answer to 8 decim Variance a-3. What is the standard deviation? (Do not round intermediate calculations. Enter the answer as a pe places.) Standard deviation b. If the expected T-bill rate is 3 30%, what is the expected risk premium on the portfolio? (Do not round intermediat Enter the answer as a percent rounded to 2 decimal places.) Expected risk premium % c-1. If the expected inflation rate is 2.20%, what are the approximate and exact expected real returns on the portfolio 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 portfollo? (Do not round intermediate Enter the answers as a percent rounded to 2 decimal places.) Approximate expected real risk premium Exact expected real risk premium