You are analyzing a process with an average activity time of $2$ minutes and an average interarrival time of $29$ seconds. There are $5$ servers and CVa is $1\mathrm{.}2$ and CVp is $\mathrm{.}90.$

What is the utilization of the servers?

Group of answer choices

$98\mathrm{.}24$

$138\%$

$83\%$

$78\%$