a. What is the expected return of each asset? b. What are the variance and the standard deviation of each asset? c. What is the expected return of a portfolio with equal investment in all three assets? d. What is the portfolio's variance and standard deviation using the same asset weights in part (c)? State of Economy Boom Growth Stagnant Recession Probability of State 0.29 0.38 0.22 0.11 Return on Asset Rin State 0.030 0.030 0.030 0.030 Return on Asset S in State 0.290 0.150 0.180 -0.030 Return on Asset Tin State 0.420 0.300 0.015 -0.170