Dumfries Industries is generating a materials requirement plan for the next 6 weeks. Here is its most current information:

a. How many levels does a product structure for Dumfries' item A have?

b. Using MRP methodology, how much of parts A, B, and C should be ordered, and when should they be ordered?

c. Which item will experience the highest ending inventory, following this plan?

Master Production Schedule Week: 1 2 3 4 5 6 Item A 10 0 20 20 20 10 10 Other Information Item's Current Item Item's Parent Item's Lead Time Item's Lot Size On-Hand Inventory ABC None 1 week LFL 20 A 1 week 20 20 B 1 week 50 20