The netback of a sale is its delivered price less the costs of getting the commodity there (freight, insurance, losses in transit, duties and terminal fees), expressed per unit at the point of origin.
Exemples
Example 1.11 (Choosing a destination by netback)
A cargo can be sold delivered in Rotterdam at with of freight, or in Singapore at with ; insurance costs either way. The netbacks are and : Rotterdam, although Singapore pays more.