Question $3(2\mathrm{.}6$ points$)$

The tank shown is full of water. Given that water weighs $62\mathrm{.}5l\frac{b}{f}t$ and $R=9,$ find the work required to pump the water out of the tank.

Select the correct answer.

$321,061ft-lb$

$322,062ft-lb$

$322,082ft-lb$

$321,952ft-lb$

$321,062ft-lb$