1) Answer these questions about SCM: a) Explain how intranets and extranets facilitate communications among members of the corporate supply chain. b) Compare/contrast the push-based and pull-based models of supply chain management. What is just-in-time? 2) Answer these questions about CRM: a) What types of information would you expect to find in a CRM system? b) One of the pluses of CRM systems is that they can reduce customer churn rate. What is churn rate and how would a CRM help.