Sam has two options this weekend.  He could work at his job…

Sam has two options this weekend.  He could work at his job and earn $9/hour for three hours, or he could go to a show at the theater for that three hours.  A ticket to the theater costs $30. What is the opportunity cost of going to the theater?Click to view larger image.

Lower prices increase the marginal utility per dollar spent…

Lower prices increase the marginal utility per dollar spent and cause consumers to buy more of a good. On the other hand, higher prices lower the marginal utility per dollar spent and cause consumers to buy less of a good. This is a way of restating ________ in terms of marginal utility.