Alice€™s Alterations has eight jobs to be completed and only one sewing machine (and sewing machine operator). Given the processing times and due dates as shown here, prioritize the jobs by SPT, DDATE, and SLACK. Today is day 5.

Calculate mean flow time, mean tardiness, maximum tardiness, and number of jobs tardy for each sequence. Which sequencing rule would you recommend?Why?

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Processing Time lin days Due Date 10 15 15 20 25 40 Task 10 14 50