3 men rent a hotel room for 30 dollars.they split it 3 ways and pay 10 dollars each.the hotel clerk latter decides to give them a millatary discont of 5 dollars he gives the 5 dollars to the bell hop and tells him to give it back to the men.the bell hop says he can't split 5 dollars 3 ways so he gives them each 1 dollar back each and keeps 2 dollars for himself.now the men have only paid 9 dollars each for the room.9x3 is 27 dollars and two dollars for the bell hop is a total of 29 dollars .what happened to the last dollar?