Since the Implementation of Hospital Payment by the DRG System

Since the implementation of hospital payment by the DRG system,

A) cost shifting no longer occurs in hospitals.
B) use of RCCAC serves no purpose to the hospital's management.
C) payment for hospital stays is based on a patient's diagnosis at discharge.
D) payment for hospital stays is based on a patient's diagnosis upon admittance to the hospital.
E) payment for hospital stays is less profitable to hospitals.