Which of the Following Contentions About Organization-Specific Factors Affecting Purchases

Which of the following contentions about organization-specific factors affecting purchases is true?

A) For manufacturing companies, the production department always controls purchasing decisions.
B) Privately owned organizations that are highly centralized are more likely to use joint decision making for all purchases other than straight rebuys.
C) The size of an organization does not affect its purchase decisions.
D) A large-scale public decentralized corporation will tend to have greater joint decision making.