9. Jobs A, B, and C are waiting to be started on machine center X and then be completed on machine center Y. No new jobs are due to arrive for 30 days and both X and Y are currently available. The following information pertains to the jobs.

Machine center X and machine center Y have 40 hours of capacity per week (five working days per week, eight hours/day). Two days are allowed to move jobs between machine centers.

a. If these jobs are rescheduled by earliest due date, can they be completed on time?

b. Can they be completed on time using the critical ratio technique?

c. Can the jobs be completed on time (using the earliest due date or critical ratio technique) if 20 hours of overtime are run in machine center X each week?

d. Can the jobs be completed on time (using the earliest due date or critical ratio technique) if only one day is required between operations?

Transcribed Image Text:

Job Processing Hours for Processing Hours for Machine Center Machine Center Day When Due X Y A 36 20 10 B 96 24 17 C 60 28 25