Which of the Following Statements Concerning Provider Payment Systems Is

Which of the following statements concerning provider payment systems is NOT true?

A) Fee-for-service plans generally contain this feature to control the costs of health care.
B) Provider payment systems negotiate acceptable payment amounts to participating doctors,hospitals,and pharmacies for the duration of the contract.
C) A percentage discount reduces the amount of a health-care providers' usual charge.
D) A partial capitation system applies to primary care physicians.