The processes have arrived in the order P1,P2,P3,P4 and P5 at a time 0 . a) Draw a Gantt chart illustrating the execution of the processes using Shortest Job First and Round Robin (with a time slice of 2 milliseconds). (2 marks) b) Calculate the individual wait time for each process and the overall average wait time, for each algorithm. (4 marks) c) Calculate the individual turnaround time for each process and the overall average turnaround time, for each algorithm. (4 marks)