Do You Think This Is Funny Blonde Joke

Ok this blonde walks into the store and says,Can i buy that tv?He says,No i dont sell to blondes.She dies her head red and says,Can i buy that tv?He says, No i dont sell to blonds,She dies her hair black and says can i buy that tv?No i dont sell to blonde's.She says i died my hair 2 times in a row how do you know I'm still a blonde?he says because that's a microwave!!! lol