please help me:

1. identify correct parent item

2. identify de correct component

3. identify correct subassembly

8. Given the bill of materials for the printer cartridge (A) shown below, a gross requirement to build 200 units of A, on-hand inventory levels for each item as shown in the table below, and assuming zero lead times for all items A, B, C, D, and E, compute the net requirements for each item. A B C D D(2) E Item On-Hand Inventory 40 A B 50 mon > 100 D 70 E 25