A blonde wearing a…

A blonde wearing a brown wig walks in a store and says to an employee “I’d like to buy that TV”. The employee replies “Sorry, I don’t sell TV’s to blondes”, and the blonde leaves the store. The next day, the same blonde walks in wearing a red wig. She says “I wish to buy that TV”, to which the employee replies again “Sorry, I don’t sell TV’s to blondes”. The blonde leaves the store. . . The next day, the same blonde walks in the store, with her hair dyed in black. She says “I would like to buy that TV”. The employee replies again “Sorry, I don’t sell TV’s to blondes”. The blonde is totally confused and asks the man, “I’m sorry, but I’ve worn a red and brown wig, and now I dyed my hair black, how did you know I am a blonde?”. “Well”, says the man, “that’s not a TV, it’s a microwave. “