(P&L) - other income = sales - cost of production
net cost of production = cost of production - processing fees - sales by product
cost of production = total processing and overhead cost + total purchase cost
total processing and overhead cost = overhead cost + processing cost
processing cost = operational cost + packaging cost + other operational cost
arini gua sehari suntuk pikir cara nak bagi kilang untung banyak.otak gua otak engineer, bukan otak business.pening gua.