This app is helps user to communicate internally without interrupting other followers, private email only visible to sender and recipient.
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