【单选题】Lisa spends all her income on pizzas and DVDs. The above table shows Lisa's marginal utility for pizza and marginal utility for DVDs. If the price of a pizza is $10, the price of a DVD is $5, and Lisa...
【单选题】The price of Y is $10. According to the above figure, if the price of X is $5, what combination of X and Y will a utility-maximizing consumer choose?