A manager must decide which type of machine to buy, A, B, or C. Machine costs are as follows: Machine Cost A $40,000 B $30,000 C $80,000 Product forecasts and processing times on the machines are as follows: Processing Time per Unit (minutes) Product Annual Demand A B C 1 16000 3 4 2 2 12000 4 4 3 3 6000 5 6 4 4 30000 2 2 1 a.) Assume that machines operate 10 hours a day, 250 days a year. If we only consider purchasing costs, which machine would have the lowest total cost? b.) Assume machines operate 10 hours a day, 250 days a year. If we select machine A, how many machine A do we need? (Use common sense to decide the answer.)

A manager must decide which type of machine to buy, A, B, or C. Machine costs are as follows: Machine Cost A $40,000 B $30,000 C $80,000 Product forecasts and processing times on the machines are as follows: Processing Time per Unit (minutes) Product Annual Demand A B C 1 16000 3 4 2 2 12000 4 4 3 3 6000 5 6 4 4 30000 2 2 1 a.) Assume that machines operate 10 hours a day, 250 days a year. If we only consider purchasing costs, which machine would have the lowest total cost? b.) Assume machines operate 10 hours a day, 250 days a year. If we select machine A, how many machine A do we need? (Use common sense to decide the answer.)

Practical Management Science

6th Edition

ISBN:9781337406659

Author:WINSTON, Wayne L.

Publisher:WINSTON, Wayne L.

Chapter12: Queueing Models

Section12.5: Analytic Steady-state Queueing Models

Problem 30P

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