The charges for materials or services furnished through any working capital fund shall be, in general, on the basis of cost to the working capital fund, which cost shall include overhead or indirect charges on a percentage basis or in the rates charged. Any charges for expense included in a warrant for collection, the cost of which is not borne by the working capital fund, shall be credited to the proper fund or accounted for separately. The overhead or indirect expense chargeable shall be on a percentage basis or on the basis of rates set forth for the working capital fund in the annual appropriation ordinance, except when otherwise directed by the city council.
(Prior code § 7-24.8)