Giving a discount on an item with a price barcode.

This document describes how a discount can be applied to a product (price barcode).

A discount can be applied to products that have a price barcode, which are printed via a scale.
The discount needs to be manually given through the POS in the form of a percentage or an amount:

Setting a fixed discount on the product itself is not possible because the price of the product is unknown in advance and can vary due to the weight of the product.