Doonesbury by Garry Trudeau for April 30, 1973
Transcript:
Woman: I'm glad you're spending your reading period with us, B.D. It's real fun having you home. B.D.: Well, Walden was beginning to get to me... says, what's for dinner, Mom? Woman: Nothing. B.D.: Huh? What do you mean, nothing? Woman: I'm sorry, dear, we just can't afford dinner anymore. Your father says it's a luxury! B.D.: Dad!! Woman: Now, dear, it's not his fault.