In Studying Positioning of Inventory in Supply Chains, Which, If

Multiple Choice

In studying positioning of inventory in supply chains, which, if any, of the following is most appropriate?
I. As order decoupling point moves towards source, inventory investment goes down.
II. As order decoupling point moves towards the source, customer lead time gets longer.
III. As order decoupling point moves towards the source, inventory investment increases.
IV. As order decoupling point moves towards the source, customer lead time is unchanged.

A) I
B) II
C) III
D) IV
E) I and II