LINDA WERTHEIMER, HOST:
Good morning. I'm Linda Wertheimer. Bad math sometimes happens to good people. A pizza delivery man in Oregon recently received a terrible tip - just 33 cents on a $22 check.
He wasn't happy but he was gracious, and his good manners paid off. The next day he got a thank you note from those skimpy tippers, complete with an apology for their poor math skills, and - I've buried the lead here - a $20 bill.
It's MORNING EDITION. Transcript provided by NPR, Copyright NPR.