Problem -
The following jobs are waiting to be processed at Rick Solano's machine center. Solano's machine center has a relatively long backlog and sets a fresh schedule every 2 weeks, which does not disturb earlier schedules. Below are the jobs received during the previous 2 weeks. They are ready to be scheduled today, which is day 241 (day 241 is a work day). Job names refer to names of clients and contract numbers.
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Job
|
Date Job Received
|
Production Days Needed
|
Date for Due
|
|
BR-02
|
228
|
15
|
300
|
|
CX-01
|
225
|
25
|
270
|
|
DE-06
|
230
|
35
|
320
|
|
RG-05
|
235
|
40
|
360
|
|
SY-11
|
231
|
30
|
310
|
a) Complete the following table. (Show your supporting calculations.)
b) Which dispatching rule has the best score for flow time?
c) Which dispatching rule has the best score for utilization metric?
d) Which dispatching rule has the best score for lateness?
e) Which dispatching rule would you select? Support your decision.
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Dispatching Rule
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Job Sequence
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Flow Time
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Utilization Metric
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Average number of jobs
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Average Lateness
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EDD
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SPT
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LPT
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FCFS
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