Problem 4: Schedule based on Lot for Lot for part D. Demand=400 of A at beginning of week 9. Already 60 of A and 50 of D available in week 1 as inventory on hand. Each A needs 3 B. Each B needs 3 D. Lead time for A is 1 week. Lead time for B or D is 2 weeks. Monday 8:00 am is the time for inventory management. Week 5 1 2 3 4 6 7 8 9 50 Part D schedule Period: Gross requirement On hand begin of period On hand end of period Net requirement Planned order receipt Planned order release