Which of the following statements about the Medicare payment system for hospital inpatient care (IPPS) are most correct?

		The basis for payment is the patient's diagnosis as specified by diagnosis-related group (DRG).
		The DRG payment is adjusted for severity.
		Payments are increased for patients with very high costs (outliers).
		Payments are adjusted for the hospital's local conditions (wage rates).
		All of the given statements are correct.