The following jobs are waiting to be processed at the same machine center. Jobs are logged as they arrive:
Job
|
Due Date
|
Duration (Days)
|
A
|
313
|
8
|
B
|
312
|
16
|
C
|
325
|
40
|
D
|
314
|
5
|
E
|
314
|
3
|
In what sequence would the jobs be ranked according to the following decision rules: (a) FCFS, (b) EDD, (c) SPT, and (d) LPT? All dates are specified as manufacturing planning calendar days. Assume that all jobs arrive on day 275. Which decision is best and why?