Question $41$

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$\backslash$table$[[,],[$p$1,30],[$p$2,17],[$p$3,3],[p4,20],[$p$5,6]]$

$\backslash$table$[[$p $1,$p $2,$p $3,$p $4,$p $5,$p $1,$p $2,$p $4,$p $5,$p $1,$p $2,$p $4,$p $1,$p $2,$p $4,$p $1,$p $2,$p $4,$p $1,$p $2,$p $4,$p $1,$p $4,$p $1,$p $1,$p $1],[3,6,9,12,15,18,21,24,27,30,33,36,39,42,45,48,51,54,57,59,62,65,67,70,73,76]]$

Given the above Gantt chart for RR scheduling What is the wait time for p $1?$

a$.47$

b$.46$

c$.21$

d$.42$