Add quantity of products in Pricing book

Currently, it is not possible for us to include specific quantities in the pricing book. However, this is a desirable functionality, as manufacturers base their prices on a predetermined volume. It is crucial that we strictly respect this volume, since we do not have the freedom to go beyond it. Adhering to these limits is essential to prevent us from exceeding the agreed-upon pricing structures.

At the moment, it is not possible for us to include specific quantities in the pricing book. However, this is a desirable feature, as manufacturers base their prices on a predetermined volume. It is crucial that we adhere to this volume, as we are not allowed to exceed it. Ensuring compliance with these limits is essential to prevent us from surpassing the agreed-upon pricing structures.