QUESTION 11 According to the mean-variance criterion, which one of the following investments dominates all others? O A. E(T) = 0.10; Variance = 0.25 O B. E(r) = 0.10; Variance = 0.20 O C. E(r) = 0.15; Variance = 0.25 O D.E(r) = 0.15; Variance = 0.22 O E. E(T) = 0.15; Variance = 0.20