$6\mathrm{.}17$ Thefollowingprocessesarebeingscheduledusingapreemptive,round

robin scheduling algorithm. Eachprocess is assigned a numerical

priority,withahighernumber indicatingahigher relativepriority.

Inadditiontotheprocesses listedbelow, thesystemalsohasanidle

task$($whichconsumesnoCPUresourcesandisidentifiedasPidle$).$This

taskhaspriority$0$andisscheduledwheneverthesystemhasnoother

availableprocessestorun.Thelengthofatimequantumis$10$units.

Ifaprocessispreemptedbyahigher$-$priorityprocess, thepreempted

processisplacedattheendofthequeue.

a$.$ ShowtheschedulingorderoftheprocessesusingaGanttchart.

b$.$ Whatistheturnaroundtimeforeachprocess?

c$.$ Whatisthewaitingtimeforeachprocess?

d$.$ WhatistheCPUutilizationrate?