Ivanhoe Diesel owns the Fredonia Barber Shop. He employs $5$ barbers and pays each a base rate of $$1,330$ per month. One of the barbers serves as the manager and receives an extra $$535$ per month. In addition to the base rate, each barber also receives a commission of $$5\mathrm{.}90$ per haircut.

Other costs are as follows.

$\backslash$table$[[$Advertising$,$$$290$ per month$],[$Rent$,$$$910$ per month$],[$Barber supplies,$$0\mathrm{.}40$ per haircut$],[$Utilities$,$$$175$ per month plus $$0\mathrm{.}20$ per haircut$],[$Magazines$,$$$20$ per month$]]$

Ivanhoe currently charges $$13$ per haircut.