Question: (20) A figure below presents a machine and its queue responsible for operation type A. One job has been just processed in the machine and

(20) A figure below presents a machine and its

(20) A figure below presents a machine and its queue responsible for operation type A. One job has been just processed in the machine and a next job has to be chosen among 6 jobs waiting. The machine needs 5 minutes setup time for changing job type - there are two job types: white and black. The information about the jobs waiting is shown in the table below. Based on five job selection rules (Shortest Processing Time (SPT), Minimum Setup Time (MSetT), Earlier Due Date (EDD), Minimum Slack Time (MST), Critical Ratio (CR)), please indicate the job to process next (for each rule). Assume that the current time is 0. Current Job Due Job # Remaining operations and processing times (in min.) including the current operation date (min.) Job 1 Job 2 Job 3 Job 4 Job 5 Job 6 AD (10-12) ACB (5-10-10) AC (15-3) AD (12-23) ABC (3-10-2) ACD (5-8-12)

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