Container rates are quoted as the price per box. The rate employed
in container shipments, Freight All Kinds (FAK), is not theoretically
a function of what is in the container, so that in container
shipping tarification is not related to the product being transported,
as in some other trades. Such FAK tariffs hide a complex
reality: the rates vary by customer even for the same destination,
frequently determined by the importance of the customer to the
shipping line and the total volumes being shipped for this destination.
This reality makes it extremely difficult to generalize with any
degree of precision about how rates are structured spatially.