Please mark ALL correct statements about process improvement.

A. The use of new technologies can have an impact on inventory policies.
B. Inventory parameters (holding costs, ordering costs) are always outside the control of the supply chain manager.
C. Process improvement projects can be used to reduce ordering costs but changing holding costs is next to impossible!
D. Process improvement projects can be used to reduce holding costs but nobody can improve on established ordering costs.
E. Process improvement projects can be used to reduce holding and ordering costs.