Which of the Following Is an Economic Rationale for the Patient

Which of the following is an economic rationale for the patient being responsible for paying part of the medical fee?

A) Making patients pay part of the fee reduces administration of large sums of money from federal to state level,thus making the bureaucratic system more efficient
B) Making patients pay part of the cost reduces demand for the service,so the cost to the state is also decreased
C) Patients traditionally have paid professionals directly,and continuing to do so maintains a relationship with their doctor
D) The fee paid by the patient goes directly to running costs of the medical practice and the money is immediately available for the practice to spend