In the table below, you are given 3 processes including their arrival time and burst time (in seconds):

Process-ID	Arrival time	Burst Time
P1	0	9
P2	0	6
P3	0	3

1. By using Round Robin Algorithm, show how the algorithm will schedule the processes using the Gantt chart. The time quantum (q) = 4.

2. Calculate the waiting time for each process.

3. Compute the average waiting time.

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