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Given the following information, develop a material requirements plan for end item A and its components. 50 and 80 units of A are needed at the beginning of week 6 and 8, respectively. What is/are the gross requirement(s) for item D? Item On-Hand On-Order Lead Time Order Size A 30 30 (Week 4) 1 wk 50 B 2 wks lot-for-lot 60 1 wk 100 200 (Week 150 2 wks 200 10 1 wk lot-for-lot E D(3) 0 D (2) D(3) O Week 4: 600, Week 6: 300 Week 1: 200, Week 3: 600, Week 5: 400 Week 2: 600 Week 2: 300, Week 4: 600; Week 6: 300 Week 1: 150, Week 3:600 Given the following information, develop a material requirements plan for end item A and its components. 50 and 80 units of A are needed at the beginning of week 6 and 8, respectively. What is/are the gross requirement(s) for item D? Item On-Hand On-Order Lead Time Order Size A 30 30 (Week 4) 1 wk 50 B 2 wks lot-for-lot 60 1 wk 100 200 (Week 150 2 wks 200 10 1 wk lot-for-lot E D(3) 0 D (2) D(3) O Week 4: 600, Week 6: 300 Week 1: 200, Week 3: 600, Week 5: 400 Week 2: 600 Week 2: 300, Week 4: 600; Week 6: 300 Week 1: 150, Week 3:600