Apart from direct cost which can easily be calculated there are many indirect cost involved in factory operations which has to be taken into accounts for income statement of a manufacturing unit .
These are indirect cost such as
Labour related factory overhead
These includes all cost linked to indirect labour/employees which helps in factory operations such as manager salaries , sales men salaries , canteen expenses etc
Material related factory overhead
Indirect cost in Admin material like office equipments , stationery , office depreciation on furnitures and machine ,
Production have electricity and fuel as factory overhead expense
Machine related overhead cost
These includes maintenance cost , insurance on service contracts for maintenance of repair
Space related overhead cost
Rent , lease cost , insurance of building lighting and maintenance cost of building
Service related factory overhead Utility bills and service cost related to audits, fire safety , legal expenses etc .
Administration Overhead for factory
Cost incurred in running , planning and operations are termed admin cost such as cost of managerial salary , office rents , pest control , travel or conveyance , etc