Question: Please show explicit steps for these three questions. Especially how to break ties in Q1 and how to work out the additional time of Job

Please show explicit steps for these three

Please show explicit steps for these three questions. Especially how to break ties in Q1 and how to work out the additional time of Job E while remaining the optimal job sequence and the optimal makespan unchanged.

A shipping company uses two steps to process orders. The times needed for each step of seven jobs are given below, in minutes. Job Time in Step 1 Time in Step 2 A 8 12 B 13 7 5 8 D 15 10 E 16 11 F 7 9 G 9 14 1. [3 marks] Use Johnson's rule to determine the sequence in which the jobs should be processed: 2. [4 marks] Construct a chart showing the sequence of the jobs in each center. [3 marks] Suppose that Job E takes a longer time in step 2. What is the maximum additional time in step 2 of Job E such that both the optimal job sequence and the optimal makespan remain the same as in Part 2

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