Which statement about supply chains is best?

A) New product development is not a supply chain function.
B) If a supplier uses a shipping company to send product to a customer,the shipping company is technically not a supply chain member.
C) Funds in a supply chain flow upstream only.
D) Flows in a supply chain may be managed by an intermediary.

Flows in a supply chain may be managed by an intermediary. This means that a third-party company or organization may handle logistics or other aspects of the supply chain process. Therefore, D is the best statement about supply chains. A is incorrect because new product development can be considered part of the supply chain process. B is incorrect because shipping companies can be considered part of the supply chain as they facilitate the movement of goods from one point to another. C is incorrect as funds can flow both upstream and downstream in a supply chain.