Match the following reimbursement methods and payment classification systems with their definitions. PPS DRG RUG HHRG A. The system used to pay for acute inpatient care that is based primarily on the patient's principal diagnosis. B. The system used to pay for home health agencies for services based on the resources used and the duration of the services. C. A method of reimbursement used by CMS that bases Medicare payments on a predetermined, fixed amount. D. The system used to pay for care provided in a nursing facility that is based on the amount, intensity and the type of resources used.