Imagine a situation in which there are misconceptions about the price between you and supplier/carrier, after delivery of product. What would you do?

Try to solve it some way like what u order out off sale this  misconceptions is price off delivery 

Will proceed based on agreed in quotation and purchase order

Convince the supplier / carrier by calling them. If they are adamant, meet them in face to face and sort out the issue. ..

The person who delivers the goods does so on the basis of prior agreement between me and the supplier. Therefore, if there is any difference between me and him in the price, it is necessary to contact the supplier to understand the matter.

We refer to Purchase Order (PO) sent to supplier/carrier. PO indicating types, quantities, and agreed prices for products or services. As a buyer, we have copied of PO which has been sent to the supplier. We can use the Purchase Agreement if we have it.