11. I.物料需求計畫(material requirement planning),II.粗略產能規畫(rough-cut capacity planning),III.產能需求計畫
(capacity Requirement planning),IV.供應鏈管理規畫(supply chain management planning),產能計畫層級(capacity planning
levels)包括哪幾層?
(A)僅 I,II,III
(B)僅 II,III
(C)僅 I,II
(D)僅 II,III,IV。