Given the operation times in the two-work-centre flow shop below: Job Times (minutes) A B D...

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Given the operation times in the two-work-centre flow shop below: Job Times (minutes) A B D Work Centre 1 20 16 43 60 Work Centre 2 27 30 51 12 E 58 35 3 2 28 F 42 24 a. Develop a job sequence that minimizes total idle time at Work Centre 2. A-B-C-E-F-D B-A-C-E-F-D C-A-B-E-F-D D-A-C-E-F-B b. Construct a load Gantt chart for the activities at the two work centres, and determine work centre 2's idle time. Idle Time minutes Given the operation times in the two-work-centre flow shop below: Job Times (minutes) A B D Work Centre 1 20 16 43 60 Work Centre 2 27 30 51 12 E 58 35 3 2 28 F 42 24 a. Develop a job sequence that minimizes total idle time at Work Centre 2. A-B-C-E-F-D B-A-C-E-F-D C-A-B-E-F-D D-A-C-E-F-B b. Construct a load Gantt chart for the activities at the two work centres, and determine work centre 2's idle time. Idle Time minutes