At Morgan's Transformer Rebuilding, five jobs are ready now for dispatching to a machine center. The processing times and due dates for the jobs are given below
Use earliest due date to sequence the jobs, and calculate the average completion time, the average job lateness, and the average number of jobs in the machine center.
Job Work Time (days) Due Date (days)
A 15 38
B 13 28
C 7 20
D 18 50
E 9 15
The EDD sequence is E-C-B-A-D. Average completion time is 32 days. Average lateness is 3.8 days. Average number of jobs is 2.58
EDD Time Due Date Slack Flow time Late days
E 9 15 6 9 0
C 7 20 13 16 0
B 13 28 15 29 1
A 15 38 23 44 6
D 18 50 32 62 12
Total 160 19
Average 32 3.8
Average number of jobs in system: 2.58
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