Develop MRP records for the items in Figure 7.17, Table 7.23, and Table 7.24.
In figure 7.17

Forty units of D are required as spare parts in week 4, and 85 units of D are required in week 7.

8 0) C3) ) D (4) 1 (2) TABLE 7.23 MS Start Product 6 130 90 80 60 100 70 TABLE 7.24 Planning Data Data Category Lot size rule Lead time Safety stock Scheduled receipts Beginning inventory 450 1 week 30 450 L4L 1,000 P=2 2 weeks 45 2,9001,000 2,950 1 week 15 None 1 week 2 weeks 10 week 2 week 2 week 1 week 2 week 1 30 40 20 90