Wal-Mart Has Its Own Fleet of Trucks and Works Directly

Wal-Mart has its own fleet of trucks and works directly with producers to take care of the ordering,delivery,and handling of goods.In addition,Wal-Mart works directly with suppliers through its advanced system of inventory control and data processing.Wal-Mart is

A) able to eliminate many of the functions typically performed by wholesalers.
B) performing many of the critical functions of wholesalers through its own system.
C) successfully using wholesalers to run its venerable chain of discount stores.
D) using information technology to eliminate the need to perform typical wholesale functions.
E) vertically integrated in order to produce and distribute all products itself.