Pearls Before Swine by Stephan Pastis for August 23, 2010
Pig says, "Hi. I need to return a book that's eleven days overdue. Will the fine be large?" Librarian says, "Oh, we stop adding to the fine after ten days. Otherwise, it gets too big." Pig says, "Oh, good. So what happens when it's over that?" Pig says, "This seems excessive."