Jobs A, B, C, and D are in queue at work center 10 before being completed on work center 20. The table below pertains to the jobs and the work centers: (Job, Process time (day) at WC 10, process time (day) at WC 20, Due Date, arriving order). Today is day 1. Job Process Time Due Date Arriving order Work Center 10 Work Center 20 A 3 4 8 2 B 3 3 24 1 C 3 5 18 4 D 4 1 15 3 If the jobs are scheduled by the shortest process time (SPT) rule, the total idle time (total of both WCs) during day 1 through day end (last job finishing date) is: Hint: you need to first determine the jobs operation order by SPT rule. Then in each work center, you need to schedule each jobs start date and end date on both WCs. Jobs A, B, C, and D are in queue at work center 10 before being completed on work center 20. The table below pertains to the jobs and the work centers: (Job, Process time (day) at WC 10, process time (day) at WC 20, Due Date, arriving order). Today is day 1. Job Process Time Due Date Arriving order Work Center 10 Work Center 20 A 3 4 8 2 B 3 3 24 1 C 3 5 18 4 D 4 1 15 3 If the jobs are scheduled by the shortest process time (SPT) rule, the total idle time (total of both WCs) during day 1 through day end (last job finishing date) is: Hint: you need to first determine the jobs operation order by SPT rule. Then in each work center, you need to schedule each jobs start date and end date on both WCs. 12 11 10 9 None of them

Jobs A, B, C, and D are in queue at work center 10 before being completed on work center 20 . The table below pertains to the jobs and the work centers: (Job, Process time (day at WC 10, process time (day) at WC 20, Due Date, arriving order). Today is day 1. Job Process Time Due DateArriving If the jobs are scheduled by the shortest process time (SPT) rule, the total idle time (total of both WCs) during day 1 through day end (last job finishing date) is: Hint: you need to first determine the job's operation order by SPT rule. Then in each work center, you need to schedule each job's start date and end date on both WCs. 12 11 10 9 None of them