Editor's note: Do you need something to smile about? Every day, WND selects the best joke offered up by readers and contributors to its Laughlines forum and brings it to you as the WND Joke of the Day. Here is today's offering:
A dentist had a sink backed up in his office and he couldn't treat patients without having it fixed.
He called a plumber who fixed the problem in about half an hour, and the plumber gave the bill to the dentist.
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The dentist looked at the bill and exclaimed, "$250 for half-hour's work?! That comes out to $500 an hour! Even I don't make that kind of money!"
The plumber smiled and answered: "Yes, I know! I used to be a dentist!"