Calculate product margin.Margin calculating the
difference between the "sale price" and "Product Cost Price"
sale price - cost price
1000 - 800
product margin = 200
this odoo apps provide the secure margin.
it display only specify user.
now you allow to "Show Product Margin" after than display specify user
sale product that time directly check out margin.
suppose some we are interest to discount on product sale time so easy
check out margin after base one margin we are provide discount