A conversation betveen a man (M) and a bartenter (B):

M: How much is Jack Daniel's on rocks?
B: half a pound....
M: ??!!! And how much is for a bottle of Jack Daniel's?
B: half a pound...
M: ???????!!!!!!!And if I buy a dozen of bottles?
B: half a pound for all...
M: Bartender, I can't understand..., how come??!!
B: I am not a bartenter... . Bartender is fucking my wife and I am fucking his business...