The Following Jobs Are Waiting to Be Processed at Your

Essay

The following jobs are waiting to be processed at your work centre, which cleans valve body castings. Job numbers are assigned sequentially upon arrival in the facility (a missing number means that job does not require your work centre). All dates are specified as days from Today.
$$\begin{array} { | c | c | c | } \hline \text { Job } & \text { Due Date } & \begin{array} { c } \text { Duration } \\\text { (days) }\end{array} \\\hline 215 & 7 & 12 \\\hline 312 & 8 & 15 \\\hline 485 & 11 & 6 \\\hline 591 & 4 & 7 \\\hline 602 & 3 & 2 \\\hline\end{array}$$ a. In what sequence should the jobs be processed according to the FCFS scheduling rule?
b. In what sequence should the jobs be processed according to the EDD scheduling rule?
c. In what sequence should the jobs be processed according to the SPT scheduling rule?
d. In what sequence should the jobs be processed according to the LPT scheduling rule?