the microwave blonde

this blonde walks into this store and says 2 the clerk can i have that tv?and he goes no we dont sell to blondes so shes comes in the next day with black hair and she says to the clerk can i have that tv and he says no we dont sell to blondes and so she comes in the next day with red hair and shes says to the clerk can i have that tv and he says no we dont sell to blondes and she comes in then next day with brown hair and she says to the clerk can i have that tv and he goes no we dont sell to blondes and then she says how come every time you know its me?and he says cause thats not a tv its a microwave