Expected return and standard deviation. Use the following information to answer the questions Return on Asset R in State Return on Asset S in State Return on Asset T in State Probability State of Economy Boom Growth Stagnant Recession of State 0.25 0.37 0.25 0.13 0.020 0.020 0.020 0.020 0.250 0.150 0.170 - 0.020 0.410 0.260 0.040 -0.155 a. What is the expected return of a portfolio with equal investment in all three assets? b. What is the portfolio's variance and standard deviation? a. What is the expected return of a portfolio with equal investment in all three assets? (Round to four decimal places.) b. What is the portfolio's variance? (Round to four decimal places.) What is the portfolio's standard? (Round to four decimal places)