For each of the following situations, find the utility max- imizing basket. D I fu (a) I = 60, Pr = 1, py = 9, u (x,y) = 7x/4y/4 (b) I = 40, Px = 8, py = 4, u (I, y) = 8x2 + 3y2 (c) I = 100, Pr = 4, py = 5, u (C, y) = 2x + 5y (d) I = 9, pr = 18, py = 3, u (c, y) = 5ry - 15x (e) I = 60, Pr = 1, py = 2, u (x, y) = 4x/3 + 2y