The following jobs are waiting to be processed at Rick? Solano's machine center. Solano's machine center has a relatively long backlog and sets a fresh schedule every 2 weeks, which does not disturb earlier schedules. Below are the jobs to be scheduled today, which is day 241 (day 241 is a work day). Job names refer to names of clients and contract numbers. Compute all times based on initiating work on day 241.
(Job) (Date Job Received) (Due Date Duration (days))
BR-02 225 270 25
CX-01 230 320 35
DE-06 235 360 40
RG-05 231 310 30
SY-11 228 300 15
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):
The average tardiness (job lateness) for the sequence developed using the SPT rule =
The percentage utilization for the sequence developed using the SPT rule=
The average completion time for the sequence developed using the SPT rule=
The average number of jobs in the system for the sequence developed using the SPT rule =