What is a bill of materials (BOM) and why is it critical for manufacturing planning?

• A. BOM lists all components and subassemblies required to make a product; it guides purchasing, inventory, and routing.
• B. BOM is a document used only for shipping products.
• C. BOM is a record of supplier contracts and pricing.
• D. BOM is a project timetable for product development.

Answer: (C)