(1) The board may establish schedules of fees and charges for any services rendered by the department and may recover the fees and charges for services from any person who receives the services.
(2) In establishing the schedules the board may make reasonable classifications based upon the financial ability of persons to pay and may vary the charge in accordance with such classifications but no fees or charges shall in any event exceed the approximate cost of rendering the service, including drugs, pharmaceuticals, medicines, laboratory supplies or other material used.