b$)$ Given the following set of processes:

Processes A B C

Arrival Time $2,0,3$

ServiceTime $24$

In what order are the processes executed during the following scheduling procedures? If required, consider a timeslice of $1.$

FCFS

SPN

$RR$

MLFB with $2$ ready queues $($with decreasing priority$)$

What is the completion time, turnaround time and normalized turnaround time?