Topic: Utility Di culty: 2 % Correct Responses: 92 Discrimination Index: 17 Correct Answer: C 4.10 Molly's utility function is U(x; y) = y + 4x 5. She has 25 units of x and 12 units of y. If her consumption of x is reduced to 0, how many units of y would she need in order to be exactly as well o as before? (a) 48 units. (b) 37 units. (c) 32 units. (d) 1 12 units. (e) None of the above