"May I please know the price for that TV?"
"No, I'm sorry, but we don't sell TV's to dumb blondes"
Even more frustrated by the fact that he saw through her disguise, she left in a huff only to return another hour later with black hair instead.
"Sir, would you please tell me the price of that TV?"
"No, I keep telling you, I don't sell TV's to dumb blondes!"
The blonde couldn't take it any more.
"Can't you see my hair? Its not blonde its black! How do you keep finding out I'm blonde?"
Spoiler:
