A blonde goes into an electronics store and asks, "How much is that TV?" Salesman says, "Sorry, we don't sell to blonds." So, she dyes her hair brown and comes back the next day as a brunette. "How much is this TV", she asks. Again, the salesman says "I'm sorry we don't sell to blondes." A few days later she returns to the store, this time as a redhead, but again the salesman says, "Sorry, we don't sell to blondes." She asks, "My hair is red. How did you know I was really a blonde?" The salesman replies, "Because, that's not a TV. It's a microwave."