Pricing that includes all transportation costs and where the seller
retains the title
to the goods
until they are delivered to the customer
. Two basic kinds of UDP are: (1) Single-zone pricing where all customers, irrespective of their distance from the seller, pay the same delivered price
. Also called postage stamp pricing
. (2) Multi-zone pricing where a geographic area is divided into zones according to the distance from the seller's dispatch
point. Whereas different prices are charged for different zones, prices remain the same within a zone.