Question: The following table provides the processing time in days) and due dates (days from now) for five jobs designated as Jobs A, B, C, D

The following table provides the processing time in days) and due dates (days from now) for five jobs designated as Jobs A, B, C, D & E. Job Processing Due Date Time (days) (days) Critical Ratio A 14 44 B 10 32 C 11 16 D 24 28 E 7 35 (a) Sequence the jobs on a single machine using the following priority rules; (0) SPT -shortest processing time, (1) EDD - earliest due date, and (iii) CR-critical ratio (5 marks) (b) For each of the priority rules in (a), determine; (i) the average flow time, and (i) the average days late (10 marks) Note: Show all your analysis and create tables like the ones shown below for each priority rule: Using SPT as priority rule Job Processing flow days Sequence Time (days) due date time (days) late Totals; Average Flow Time Average Days Late days days Using EDD as priority rule Job Processing Sequence Time (days) flow days late due date time (days) Totals; Average Flow Time Average Days Late days days Using CR as priority rule Job Processing Sequence Time (days) flow days late due date time (days) Totals; Average Flow Time Average Days Late days days
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