QUESTION $21$

$3\mathrm{.}5$ points

Use the following information to answer questions $18-21$

Sharp is now considering consolidating its two service desks into one location, staffed by two clerks. The clerks will continue to work at the same individual speed of $216$ seconds per customer. How many customers, on average, are waiting in line?

A$.2$

B$.0\mathrm{.}5521$

C$.1\mathrm{.}32$

D$.0\mathrm{.}6748$