Invested 20 percent in A, 30 percent in B. and 50 percent in C, what is the portfolio's expected return and the variance? State of Economy Probability of State of Economy Stock A Return (%) Stock B Return (%) Stock C Return (%) Boom 0.5 5% 35% 47% Normal 0.4 139 25% 23% Recession 0.1 19% .24% 386 A) Expected Retum - 23.90% and Variance 0.02781 B) Expected Return 23.90% and Variance 0.01668 C) Expected Return - 21.21% and Variance - 001668 D) Expected Retur -21.21% and variance 0.01491