Richard Casper owns the Fredonia Barber Shop, He employs five barbers and pays each a base rate of $1,000 per month. One of the barbers serves as the manager and receives an extra $500 per month. In addition to the base rate, each barber also receives a commission of $5.50 per haircut. Other costs are as follows. Advertising $200 per month Rent $900 per month Barber supplies $0.30 per haircut Utilities $175 per month plus $0.20 per haircut Magazines $25 per month Richard currently charges $10 per haircut