Charles Diesel owns the Fredonia Barber Shop. He employs $4$ barbers and pays each a base salary of $$1,410$ per month. One of the

barbers serves as the manager and receives an extra $$580$ per month. In addition to the base salary, each barber also receives a

commission of $$10\mathrm{.}30$ per haircut.

Other costs are as follows.

Charles currently charges $$18\mathrm{.}00$ per haircut.

Compute the break$-$even point in sales units and in sales dollars.

Break$-$even point

haircuts