Question: Three jobs are to be scheduled in a five-machine flow shop. Job data are summarized in the following table. Job 1 2 3 A

Three jobs are to be scheduled in a five-machine flow shop. Job data are summarized in the following table. Job 1 2 3 A 2.0 0.5 1.2 B 4.5 2.4 0.3 Machine C 1.0 0.2 0.5 D 3.2 0.1 1.4 E 4.1 2.8 8.2 a. For each machine, find a lower bound on makespan. b. Construct a Gantt chart for job processing sequence 1, 2, 3. c. Enumerating all possible orderings, find an optimal permutation schedule with the objective of minimizing makespan.

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