Given a premise, retrieve a hypothesis that is entailed by the premise.Postal Service may differ greatly from other postal systems in labor cost, automation, route topography, worksharing, mix of mail by shape, and the percentage of non-delivered mail, etc., we cannot expect the cost estimates furnished by the model to be extremely accurate estimates of particular non-U.S. systems.
Postal systems in different locations face different conditions which may require different cost models.
The use of automation has no impact on the operation of a postal system.