Answer to Question #101287 in Operations Research for kedir

Question

A firm uses three machines in the manufacture of three products. Each unit of product A requires 3 hours on machine I, two hours on machine II, and one hour on machine III. While each unit of product B requires four hours on machine I, one hour on machine II, and three hours on machine III. While each unit of product C requires two hours on each of the three machines. The contribution margin of the three products is birr 30, birr 40 and birr 35 per unit respectively. The machine hours available on the three machines are 90, 54, and 93 respectively.
a. Formulate the above problem as a linear programing model
b. Obtain optimal solution to the problem by using the simplex method. Which of the three products shall not by produced by the firm? Why?
c. Calculate the un used capacity if any
d. What are the shadow prices of the machine hours?

Answer 1

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