Balancing utility and price Consider two goods, plane tickets and milk. Suppose Hilary is to choose the optimal quantities of both goods. Use the following dropdown selections to identify the utility-maximizing rule Hilary should follow to choose the optimal quantities. (Note: In the answer options that follow, MU stands for "marginal utility.") ______ = ______
Since milk costs less than plane tickets, it must follow that when Hilary chooses optimal quantities of milk and plane tickets, the marginal utility received from the last plane ticket is _______ than the marginal utility from the last gallon of milk.