Operations Management
11th Edition
ISBN: 9780132921145
Author: Jay Heizer
Publisher: PEARSON
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Chapter 13, Problem 10DQ
Summary Introduction
To determine: Thedifference between aggregate planning in service and aggregate planning in manufacturing
Introduction: The aggregate plan is the output of sales and operations planning. The major concern of aggregate planning is the production time and quantity for the intermediate future. Aggregate planning would encompass a time prospect of approximately 3 to 18 months.
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QUESTION 1
A master production schedule shows the following information
MPS
Week
Week
Week
Week
Beginning inventory =
300
31
Forecast
1.000
1,200
1,300
1.200
800
700
Actual customer orders
Projected on-hand
inventory
Available to promise
800
1,000
MPS
Based on the information in the MPS, what is the amount that is available to promise in week 4?
O a. 1,200
Ob.700
Oc. 1.500
O d. 500
Question 4
b) Company ABC wishes to evaluate whether to produce a component
internally or purchase from a vendor. The firm has the following options:
Internal Production
Process 1
Process 2
Purchase from Vendor
Vendor 1
Vendor 2
Vendor 3
Variable cost of $17 per unit; annual
fixed cost of $200,000
Variable cost of $14 per unit; annual
fixed cost of $240,000
Offers a price of $20 per unit for any
volume up to 30,000 units
Offers a price of $22 per unit for 1,000
units or less, and $18 per unit for
large quantities
Offers a price of $21 per unit for the
first 1,000 units and $19 per unit for
additional units
If the annual demand is 10,000 units, which alternative would be best from
a cost standpoint? For 20,000 units, which alternative would be best?
Question 4) APP Linear Programming
Given the following information:
Quarter Demand
Regular Prod. Capacity = 3,000 units/gt
8,000 Overtime Prod. Capacity = 800 units/gtg
4,000 Subcontracting Capacity = 1,800 units/gt
Regular Prod. Cost = $20/unit
Overtime Prod. Cost = $25/unit
1
2
2,000 Inventory Capacity
= 6,000 untis/atr
Subcontracting Cost = $35/unit
Inventory Cost
3
Beginning Inventory
= 500 units
= $4/unit/gtr
Linear programming is to be used to determine a production plan strategy of Level Production,
Overtime, and Subcontracting.
a. Formulate the Objective Function (note that there are 3 quarters).
b. Formulate all Constraints (standardized).
c. How many decision variables are in the model?
d. How many constraints are in the model? (do not include non-negativity constraints)
Chapter 13 Solutions
Operations Management
Ch. 13 - Prob. 1DQCh. 13 - Why are SOP teams typically cross-functional?Ch. 13 - Prob. 3DQCh. 13 - Prob. 4DQCh. 13 - Prob. 5DQCh. 13 - Prob. 6DQCh. 13 - Question: 7. What is level scheduling? What is the...Ch. 13 - Question: 8. Define mixed strategy. Why would a...Ch. 13 - Prob. 9DQCh. 13 - Prob. 10DQ
Ch. 13 - Question: 11. What is the relationship between the...Ch. 13 - Prob. 12DQCh. 13 - Question: 13. What are major limitations of using...Ch. 13 - Prob. 14DQCh. 13 - Question: 13.1 Prepare a graph of the monthly...Ch. 13 - Prob. 2PCh. 13 - The president of Hill Enterprises, Terri Hill,...Ch. 13 - Prob. 4PCh. 13 - Prob. 5PCh. 13 - Prob. 6PCh. 13 - Prob. 7PCh. 13 - Prob. 8PCh. 13 - Prob. 9PCh. 13 - Question: 13.10 The SOP team (see Problem 13.9)...Ch. 13 - Prob. 11PCh. 13 - Prob. 12PCh. 13 - Prob. 13PCh. 13 - Question: 13.14 Jerusalem Medical Ltd., an...Ch. 13 - Prob. 15PCh. 13 - Prob. 16PCh. 13 - Prob. 17PCh. 13 - Question: 13.18 Jose Martinez of El Paso has...Ch. 13 - Prob. 19PCh. 13 - Prob. 20PCh. 13 - Prob. 21PCh. 13 - Prob. 22PCh. 13 - Prob. 1CSCh. 13 - Prob. 2CSCh. 13 - Prob. 1VCCh. 13 - Prob. 2VCCh. 13 - Question: 3. What are some concerns the team needs...
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