The key benefit of implementing an enterprise resource planning (ERP) system is the integration of various business functions into a unified platform. ERP systems streamline processes across departments such as finance, HR, manufacturing, and supply chain management. This centralized approach enhances data accuracy and facilitates better decision-making by providing real-time information and analytics. Additionally, ERP systems improve collaboration among teams by allowing easier access to shared data, ultimately increasing overall operational efficiency and reducing costs through optimized resource management.