Correct option is A
MRP II, or Manufacturing Resources Planning, is an integrated method for effective planning of all resources of a manufacturing company. It extends the basic Materials Requirement Planning (MRP) system by incorporating additional functions such as finance, marketing, and human resources. MRP II includes all the aspects of production planning, scheduling, and inventory control and integrates them with other business processes to improve overall efficiency. It is a comprehensive system that helps in optimizing the use of manufacturing resources, leading to better decision-making and more efficient operations.