Question: a . Draw a product structure tree ( tree diagram ) for the scissors. Lead times are 1 day for each component and final scissor

a. Draw a product structure tree (tree diagram) for the scissors. Lead times are 1 day for each component and final scissor assembly but 2 days for the plastic grips. 600 scissors are needed on Day 6. On hand inventory: Straight blades =200, bent blades =350, and top blade assembly =40.
Item
Scissors
Bottom Blade Assembly
Straight Blade
Straight Plastic Grip
Screw
Top Blade Assembly
Bent Blade
Bent Plastic Grip
b. Material plans:
Master
Schedule for:
Scissors
Week
Beg. Inv.
1
2
3
4
5
6
7
8
Quantity
600
Scissors LT =1
Lot size: Lot-for-Lot
Beg. Inv.
1
2
3
4
5
6
7
8
Gross requirements
Scheduled receipts
Projected on hand
Net requirements
600
Planned-order receipts
600
Planned-order releases
Bottom Blade Assembly LT =1
Lot size: Lot-for-Lot
Beg. Inv.
1
2
3
4
5
6
7
8
Gross requirements
600
Scheduled receipts
0
Projected on hand
0
Net requirements
600
Planned-order receipts
600
Planned-order releases
600
Notes: Gross Requirements (week 5)= Planned-Order Releases of 600 Scissors *1=600.
Top Blade Assembly
LT =1
Lot size: Lot-for-Lot
Beg. Inv.
1
2
3
4
5
6
7
8
Gross requirements
600
Scheduled receipts
0
Projected on hand
40
40
Net requirements
560
Planned-order receipts
560
Planned-order releases
560
Notes: Gross Requirements (week 5)= Planned-Order Releases of 600 Scissors *1=600.
Screw LT =1
Lot size: Lot-for-Lot
Beg. Inv.
1
2
3
4
5
6
7
8
Gross requirements
600
Scheduled receipts
0
Projected on hand
0
Net requirements
600
Planned-order receipts
600
Planned-order releases
600
Notes: Gross Requirements (week 5)= Planned-Order Releases of 600 Scissors *1=600.
Straight Blade LT =1
Lot size: Lot-for-Lot
Beg. Inv.
1
2
3
4
5
6
7
8
Gross requirements
600
Scheduled receipts
o
Projected on hand
200

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