Operations Research : Applications and Algorithms
Operations Research : Applications and Algorithms
4th Edition
ISBN: 9780534380588
Author: Wayne L. Winston
Publisher: Brooks Cole
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Chapter 5.2, Problem 7P

a.

Explanation of Solution

Hiring and firing policy

  • The production plan includes hiring employees per month.
  • At the beginning of each month workers can be hired or fired.
  • Let ht be the number of workers hired at the beginning of month t

b.

Explanation of Solution

Overtime labour

“Yes”, if overtime labour costs $16 per hour, then overtime labour should be used.

Reason

  • Overtime labour is the amount of workers available beyond normal working time...

c.

Explanation of Solution

Optimum solution

  • The new optimum solution value is calculated by the given formula:

    New value = Old value – (Key column value × Key row value) / Key value

  • The key row value can be calculated by the given formula:

  

d.

Explanation of Solution

Optimum solution

  • The new optimum solution value is calculated by the given formula:

    New value = Old value – (Key column value × Key row value) / Key value

  • The key row value can be calculated by the given formula:

  

e.

Explanation of Solution

Total costs

  • The new optimum solution value is calculated by the given formula:

    New value = Old value – (Key column value × Key row value) / Key value

  • The key row value can be calculated by the given f

f.

Explanation of Solution

Optimum solution

  • The new optimum solution value is calculated by the given formula:

    New value = Old value – (Key column value × Key row value) / Key value

  • The key row value can be calculated by the given formula:

 �

g.

Explanation of Solution

Total costs

  • The new optimum solution value is calculated by the given formula:

    New value = Old value – (Key column value × Key row value) / Key value

  • The key row value can be calculated by the given fo

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