Which of the following statements is correct regarding the use of an MRP system? A. Many firms have insisted their suppliers also install MRP systems B. MRP has essentially eliminated the need for...

Extracted text: Which of the following statements is correct regarding the use of an MRP system? A. Many firms have insisted their suppliers also install MRP systems B. MRP has essentially eliminated the need for engineering change order systems C. With MRP, all component, part, and raw material inventories are managed with order-point systems D. All of the above are correct