The Statement Concerning the Just-In-Time Inventory Management System That Is

The statement concerning the just-in-time inventory management system that is not true is:

A) The aim of the system is to eliminate the need for the business to hold inventory.
B) The problem of holding inventory is shifted to the supplier.
C) For the system to work, there must be a close relationship between the business and its supplier.
D) The approach is a theoretical one only and has not really been tried in practice.