What is a reason for companies to engage in Supply Chain Management?

Group of answer choices

A$.$ It is an easy way to avoid having to deal with annoying customers by sending them to other companies.

B$.$ Inventory levels can be reduced by effectively sharing forecasting information up and down the supply chain.

D$.$ It is a quick method to cut costs in operations.

C$.$ Firms can focus on what they do best and outsource or eliminate non$-$value added activities.