Identify the Item Below That Is Not Included in the Authors

Identify the item below that is not included in the authors' discussion of how a firm might manage its supply chains to ensure that they are sustainable.

A) Gather data on the buying habits of customers and ensure that data is freely shared throughout the supply chain.
B) Develop a sustainable supply chain framework.
C) Engage in active supplier management and utilize all available ethical means to influence their behavior.
D) Gather data on the performance of current suppliers and use the same questionnaire to screen potential new suppliers.