Shortest Job First $($SJF$)$ scheduling $-$ compute the average waiting time and the average turnaround time for the SJF scheduling algorithm. Refer to Table $2$

below for process information. Note that arrival times are not all zero. $(3$ marks$)$

Table $2-$ Process Information SJF Scheduling

A$.$ draw the Gantt chart to illustrate process scheduling for SJF

B$.$ calculate turnaround time per process and average turnaround time

C$.$ calculate wait time per process and average wait time