$27)$Consider a set of five processes P$1,$ P$2,$ P$3,$ P$4$ and P$5$ having priority $3,1,4,5$ and $2$ with burst times of $8,1,2,1$ and $5$ milliseconds, respectively. Using Priority scheduling, calculate the average waiting time.$(1$pts$)$Question $27-$ Consider a set of five processes P$1,$ P$2,$ P$3,$ P$4$ and P$5$ having priority $3,1,4,5$ and $2$ with burst times of $8,1,2,1$ and $5$ milliseconds, respectively. Using Priority scheduling, calculate the average waiting time$\mathrm{.}8\mathrm{.}4$ millisecondsNone of the above$6\mathrm{.}4$ milliseconds$7\mathrm{.}4$ milliseconds