You manage a production line that operates using a monthly production cycle. There are five different products that could be made this month. However, you only have 500 hours of line capacity, so you must be careful which products you select to make in the production cycle.   Making a product incurs two types of setup costs: (1) a material “tear down” cost (measured in dollars) and (2) downtime for line preparation (measured in hours). Any quantity up to the forecasted monthly demand can be sold. Additional production details are given in the table below:     Product 1 Product 2 Product 3 Product 4 Product 5 Monthly Demand 1000 units 1100 units 1700 units 1600 units 1500 units Revenue (per unit) $150 $175 $155 $200 $225 Production Cost (per unit) $60 $70 $60 $100 $110 Set Up Cost $10000 $15000 $25000 $10000 $5000 Set Up Time 25 hrs 15 hrs 0 hrs 10 hrs 30 hrs Production Time (per unit) .1 hrs .12 hrs .13 hrs .15 hrs .16 hrs   Based on this information, design a monthly production schedule to maximize monthly profit. Your solution should identify which products to make and the quantities of each. (Assume the line is not currently set up to make any of these products; Set Optimality Gap to .1%)

Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter2: Introduction To Spreadsheet Modeling
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You manage a production line that operates using a monthly production cycle. There are five different products that could be made this month. However, you only have 500 hours of line capacity, so you must be careful which products you select to make in the production cycle.

 

Making a product incurs two types of setup costs: (1) a material “tear down” cost (measured in dollars) and (2) downtime for line preparation (measured in hours). Any quantity up to the forecasted monthly demand can be sold. Additional production details are given in the table below:

 

 

Product 1

Product 2

Product 3

Product 4

Product 5

Monthly Demand

1000 units

1100 units

1700 units

1600 units

1500 units

Revenue (per unit)

$150

$175

$155

$200

$225

Production Cost (per unit)

$60

$70

$60

$100

$110

Set Up Cost

$10000

$15000

$25000

$10000

$5000

Set Up Time

25 hrs

15 hrs

0 hrs

10 hrs

30 hrs

Production Time (per unit)

.1 hrs

.12 hrs

.13 hrs

.15 hrs

.16 hrs

 

  1. Based on this information, design a monthly production schedule to maximize monthly profit. Your solution should identify which products to make and the quantities of each. (Assume the line is not currently set up to make any of these products; Set Optimality Gap to .1%)
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