the under secretary of defense for acquisition and sustainment is responsible for which of the following? A. Establishing contracting and defense pricing policy matters for the acquisition of services in the DoD B Establishing policies and procedures for conducting cost estimates and analysis for the acquisition of contracted services C. establishing policies and procedures for determining the most appropriate and cost effecient mix of military, civilian, and contractor personnel to execute the DoD mission D. Coordinating with the Under Secretary of Defense for intelligence and security to ensure that security implications are addressed throughout the acquisition of services process