One day, a blonde goes into a store. She gets an item and walks up to the cashier. She says,"I'd like to buy this TV".
He says,"Sorry, we don't sell to blondes".
The next day, she dyes her hair red and goes back in the store, but the same thing happens.
Finally, she shaves her head and goes back in. When she tries to buy it for the third time, the man refuses.
She says, "How the hell do you know I'm blonde?".
He replied, "First of all, that's a microwave."