How Does Effective Materials Management Support the Firm's Marketing Objectives

How does effective materials management support the firm's marketing objectives?

A) by reducing procurement, transportation, and production costs through economies of scale
B) by coordinating supply and demand for materials
C) by ensuring that stored or received materials get to the production floor when they are needed
D) by making sure that goods are available to ship to customers in an efficient and effective manner
E) by negotiating contracts and placing purchase orders in a timely manner