u₁(x11, X12) = x11×12, W₁ = (10,0); u₂(x21,×₂2) = X21+x22, W₂ = (5,10) Individual 1's consumption in a Pareto efficient allocation with u₁=100: (A) (10,0) (B) (15,100/15)
(C) (10,10) (D) (12,25/3)