Film Brain:  Luther is sent to get the tree , but there 's only one left . The _ one _ he hit with his car .
Luther: How much is it ?
Scout Leader: $ 75 .
Luther: The sign says $ 15 .
Scout Leader: Supply and demand . The scouts sure could use your $ 75 donation for their camping trip , Mr. Krank .
Film Brain: Stick it up their ass and go somewhere else . I 'm pretty sure that 's not the only tree around . So , Luther buys the tree because he 's an idiot .