A Ir QUESTION 7 E 52 T U "Akording to the mean-variance criterion, which one of the following investments dominates all others?" a. E(T) = 0.9; Variance - 0.26 Ob. E(T) = 0.12; Variance = 0.26 c. E(T) = 0.8; Variance = 0.20 d. Eld) - 0.13, Variance = 0.20 E