With Regard to Walmart's Information System,it Is Correct to Say

With regard to Walmart's information system,it is correct to say that

A) the system customizes reordering and delivery procedures for suppliers.
B) the system's top priority is customer satisfaction with prices.
C) the system does not allow outside firms to connect to it.
D) the system speeds up deliveries and holds down costs.
E) none of these are correct.