2. The demand for assembly S is 100 units and it is due in Week 15. Each unit of S requires one unit of T and 0.5 units of U. Each unit of T requires one unit of V, two units of W, and one unit of X. Finally, each unit of U requires 0.5 units of Y and three units of Z. Item S T U V W X Y Z STUVWX>N W Y a) Calculate the planned orders for all the items. b) Use time phasing to determine an overall schedule. S Z V Gross Requirements 100 Item Lead Time Due Date (weeks) 1 (week) 15 2 1 OH Inv 20 20 1 1 2 2 1 10 30 30 15 25 10 W (2) Net Requirements Release Date X Y (0.5) U (0.5) Planned Order Z (3) Lot Size Policy L4L X10 X5 Min 50 F100 X50 F100 Min 100

Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter4: Linear Programming Models
Section: Chapter Questions
Problem 111P
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Item
STUVWX>N
Y
2. The demand for assembly S is 100 units and it is due in Week 15. Each unit of S requires
one unit of T and 0.5 units of U. Each unit of T requires one unit of V, two units of W,
and one unit of X. Finally, each unit of U requires 0.5 units of Y and three units of Z.
Z
Item
S
T
U
V
W
X
Y
Z
a) Calculate the planned orders for all the items.
b) Use time phasing to determine an overall schedule.
S
OH
Gross
Requirements Inv
100
20
20
10
30
30
15
25
10
2
1
1
1
2
2
1
Lead Time Due Date
(weeks)
(week)
15
1
T
W (2)
X
Net
Requirements
Release
Date
U (0.5)
Y (0.5)
Planned
Order
Z (3)
Lot Size
Policy
L4L
X10
X5
Min 50
F100
X50
F100
Min 100
Transcribed Image Text:Item STUVWX>N Y 2. The demand for assembly S is 100 units and it is due in Week 15. Each unit of S requires one unit of T and 0.5 units of U. Each unit of T requires one unit of V, two units of W, and one unit of X. Finally, each unit of U requires 0.5 units of Y and three units of Z. Z Item S T U V W X Y Z a) Calculate the planned orders for all the items. b) Use time phasing to determine an overall schedule. S OH Gross Requirements Inv 100 20 20 10 30 30 15 25 10 2 1 1 1 2 2 1 Lead Time Due Date (weeks) (week) 15 1 T W (2) X Net Requirements Release Date U (0.5) Y (0.5) Planned Order Z (3) Lot Size Policy L4L X10 X5 Min 50 F100 X50 F100 Min 100
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