b. Suppose SCM uses the slack time rule to sequence jobs at each testing machine. To which machine should the test operator be assigned and which job will be processed when each of the following labor assignment decision rules are used? (Again it’s 8 a.m. and the test operator is available for assignment.)

1. The shortest job.

2. The job that has been in the laboratory the longest.

3. The most jobs in the queue.

c. Would you recommend any other labor assignment decision rule under the conditions in part b?

Problems 325