I can let you have this top-of-the-line stereo for nine hundred dollars, minus six percent for cash, the salesman said.

I can let you have this top-of-the-line stereo for nine hundred dollars, minus six percent for cash, the salesman said. The customer, not able to figure the calculation, said he would think about the deal and return the next day. That evening, the fellow asked his blonde female friend, If you were offered nine hundred dollars minus six percent, how much would you take off? She replied, Everything but my earrings!