The three$-$station work cell pictured below has one machine at each station and

market demand currently exceeds supply.

Station $1$

$6$ unit$/$hr

Station $2$

$15$ min$/$unit

Station $3$

$6$ min$/$unit

What is the average utilization of Station $3$ over the course of an $8-$hour day?

$100\%$

$66\mathrm{.}67\%$

$50\%$

$60\%$

$40\%$