What are the crucial inputs for material requirements planning? A. The three crucial inputs of MRP are bill of materials, inventory status, and master production schedule. B. The five crucial inputs of MRP are bill of materials, bill of lading, bill of rights, inventory status, and master production schedule. C. The four crucial inputs of MRP are bill of materials, bill of lading, inventory status, and master production schedule. D. The two crucial inputs of MRP are bill of materials, and master production schedule