All of the Following Are Major Problems Cited in the Text

Multiple Choice

All of the following are major problems cited in the text regarding supply chain management in actual practice except ________.

A) they do not effectively work together to reduce inventory levels and costs up and down the chain
B) excessive management focus on the external supply chain while minimal attention on the internal chain
C) companies are actually members of the supply chain, they manage as separate distinct entities
D) most company efforts at collaboration target only the first tier customers and suppliers