one barber who also serve as a manager is been paid $1,830 per month, the other barber are paid $1,300 a month, in addition each barber is paid a commission of $2 per haircut, other monthly cost include store rent $810 plus 60 cent per hair cut, depricaton on equipment $ 540, barber suppllies 40 cent per hair cut , utilities $370, advertisting $250. the price of haircut is $13 determine the operating income assuming 1,500 haircuts are given in a month