HW2 EST280(1)
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Stony Brook University *
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Course
280
Subject
Industrial Engineering
Date
Jan 9, 2024
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docx
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EST 280
Fundamentals of Industrial Engineering
HW#2
1.
Given this supply chain data what are the Economic order Quantities (EOQ) &
the Production Order Quantities
(POQ)
INVENTORY MODEL - Company X
PROBLEM DATA
ANNUAL DEMAND = 1800
D
Days per year = 365
Order Cost (S) = $800.00
S
Holding Cost (H) = $155.00
H
Daily Production Rate = 6
p
RESULTS - EOQ Economic Order Quantity (Q) = 136
RESULTS – POQ Production Order Quantity (Q) = 323
2.
Given this weekly supply demand data in shown below: solve for the minimum transportations costs:
Using both methods manual and using excel:
Demand
Capacity
W1
W2
W3
P1 30000
$3.25
$4.50
$5.25
P2 30000
$4.40
$2.20
$4.60
23500
21900
14600
EXCEL:
MANUAL:
3.
Solve this Transportation problem using the manual (North West Corner Method.
4.
Give the definition of each of these Management systems
MRP
(Material Requirements
Planning):
It’s an inventory system that’s designed to improve
productivity for businesses. It helps process what materials and goods are needed for a business. It can
tell managers what product is needed, how much of it is needed, and when it is needed.
MRP II
(Manufacturing Resource Planning):
It is an integrated information system. It can
include and utilize more data such as employee and financial needs. It’s purpose is to make decisions in
scheduling, design engineering, inventory management, and cost control.
ERP
(Enterprise Resource Management):
A system that integrates areas such as planning,
purchasing, inventory, finance, and human resources. It is a shared database that supports all these
different areas and allows employees from different departments to use the same information for their
own needs.
ERP was developed to build upon the functionalities of MRP II.
5.
Bullwhip
Given this information, what are the Bullwhip rations for these 3 periods and
the sum factor of all ratios;
L
P
i
6
12
ii
2
3
iii
1
4
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