Suppose That, for a Buyer of Goods X and Y

Suppose that, for a buyer of Goods X and Y, MUx/Px = 0.8 and MUy/Py = 1.2. Based on this information, which of the following must be true?

A) The price of Good X is less than the price of Good Y.
B) The demand for Good X is price inelastic and the demand for Good Y is price elastic.
C) The total satisfaction from consuming Good X is less than the total satisfaction from consuming Good Y.
D) The last dollar spent on Good X adds fewer units of satisfaction than are added by the last dollar spent on Good Y.