There is a customer brings items damaged, change without a receipt and there is no data on purchases from branches and when that risk that the goods might be the linen yapai.
A customer's request to change the defective goods without a receipt and no buy-in from the field, and when the risk is that it may be stolen goods to.
Customers bring the goods damaged to change the receipt and no information on the purchase from the fields where and when the risk that may be the goods stolen.