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Use Johnson's rule to determine the optimal sequencing for the five jobs to be processed on two machines in a fixed order (Machine 1


   

Use Johnson's rule to determine the optimal sequencing for the five jobs to be processed on two machines in a fixed order (Machine 1 before Machine 2). The processing times are given in the table below. Job Machine 1 Machine 2 8 7 9 6 3 9 8 4 5 What is the total flow time of the optimal sequence? LMNOP 31 35 39 40 41 7

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