Operations Management

Job Please copy and paste data from text area below. Selected delimiter: Tab Date Received Due Date Remaining Time (days) 205 210 205 209 5 205 212 205 208 8 OU O 6 3 Done the order in achich the bear a) Using the FCFS (first come first served) decision rule for sequencing the jobs, the order is (assume that jobs came in the order in which they are listed in the table): An Alabama lumberyard has four jobs on order, as shown in the following table. Today is day 205 on the yard's schedule. In what sequence would the jobs be ranked according to the decision rules on the left: Sequence Job 1 7 Job A B C D Due Date 210 209 212 208 Duration (days) 8 5 6 3 2 7 3 7 4 All dates are specified as manufacturing planning calendar days. Assume that all jobs arrive on day 205. Compute all times based on initiating work on day 205. The average tardiness (job lateness) for the sequence developed using the FCFS rule = days (round your response to two decimal places). The average completion time (flow time) for the sequence developed using the FCFS rule = days (round your response to two decimal places). The percentage utilization for the sequence developed using the FCFS rule = ]% (enter your response as a percentage rounded to two decimal places). b) Using the SPT (shortest processing time) decision rule for sequencing the jobs, the order is (to resolve a tie, use the order in which the jobs were received): Sequence Job 1 N 3 4 The average tardiness (job lateness) for the sequence developed using the SPT rule = days (round your response to two decimal places). The average completion time (flow time) for the sequence developed using the SPT rule = days (round your response to two decimal places). The percentage utilization for the sequence developed using the SPT rule = 1% (enter your response as a percentage rounded to two decimal places). c) Using the LPT (longest processing time) decision rule for sequencing the jobs, the order is (to resolve a tie, use the order in which the jobs were received) Sequence Job 1 2 3 4 The average tardiness (job lateness) for the sequence developed using the LPT rule = days (round your response to two decimal places). The average completion time (flow time) for the sequence developed using the LPT rule=days (round your response to two decimal places). The percentage utilization for the sequence developed using the LPT rule = 1% (enter your response as a percentage rounded to two decimal places). d) Using the EDD (earliest due date) decision rule for sequencing the jobs, the order is (to resolve a tie, use the order in which the jobs were received): Sequence Job 1 2 3 4 The average tardiness (job lateness) for the sequence developed using the EDD rule = days (round your response to two decimal places). The average completion time (flow time) for the sequence developed using the EDD rule=days (round your response to two decimal places). The percentage utilization for the sequence developed using the EDD rule = 1% (enter your response as a percentage rounded to two decimal places). e) Using the Critical Ratio (CR) scheduling rule for sequencing the jobs, the order is: Job Sequence 1 2 3 4 The average tardiness (job lateness) for the sequence developed using the CR rule=days (round your response to two decimal places). The average completion time (flow time) for the sequence developed using the CR rule=days (round your response to two decimal places). The percentage utilization for the sequence developed using the CR rule = % (enter your response as a percentage rounded to two decimal places)