The following table contains information on four jobs waiting for processing at a work center .(Note - The jobs are listed in the order of their arrival):

1. Determine job sequence for using each of the following rules: (1) FCFS, (2) SPT, (3) EDD, (4) LCFS, (5) STR

2. For each of the methods above, find the (1) average flow time and (2) average tardiness, and (3) determine which approach is superior to the others

\begin{tabular}{|c|c|c|} \hline Job & JobTime(days) & DueDate(days) \\ \hline A & 14 & 20 \\ \hline B & 10 & 16 \\ \hline C & 7 & 15 \\ \hline D & 6 & 17 \\ \hline \end{tabular}