أنشئ حسابًا أو سجّل الدخول للانضمام إلى مجتمعك المهني.
For any cost calculaton the following applies good -
Direct material cost
Direct labour cost
Indirect material cost
Indirect labour cost
Overheads
Sum of all these things will add in to total cost.....
(I am not showing marketing and selling expense or similar expenses related to other admininstration expenses specific to businesses)