Discuss the advantages and disadvantages of fee-for-service reimbursement. How does this model influence healthcare utilization, patient-provider relationships, and the overall cost of care? Analyze the key features and objectives of prospective payment systems. How do PPS models aim to promote cost predictability, efficiency, and accountability in healthcare delivery? Examine the role and structure of diagnosis-related groups in reimbursement. How do DRGs classify patients and assign payment based on diagnosis, procedure, and patient characteristics?