Which of the Following Benefits Could Be Obtained from a Central

Which of the following benefits could be obtained from a central system for logging complaints?

A) To provide a basis for tracking all complaints to see that they have in fact been resolved
B) To serve as an early warning indicator of deterioration in one or more aspects of service
C) To indicate issues deserving more detailed decision evaluation
D) To serve as an early warning indicator of deterioration of backstage and/or frontstage systems
E) All of the above