أنشئ حسابًا أو سجّل الدخول للانضمام إلى مجتمعك المهني.
It actually depends on the number of SKUs you have and the type of this SKUs. This causes the implication of Promo. The more volatile market and the product you have - the less DPA (Demand plan accuracy). Also the level of stock cover meter.
To summarise: the range could be from%-% from my experience. But it highly depends on other parameters.