URGENT help please!! detailed explination with answer if possible!!!!

Question $2$

Beech Mtn$.$ Ski Resort has two reserviors with a difference in

elevation of $830$ feet and are connected with a $10-$inch diameter

Cast Iron pipe $($roughness value $=0\mathrm{.}010$ inch$)$ that is $3,884$ feet

long. What is the flowrate between them? Use the kinematic

viscosity of $1\mathrm{.}217{10}^{-5}f\frac{t^2}{sec}.$

$2\mathrm{.}2$ MGD

$5\mathrm{.}0$ MGD

$8\mathrm{.}5$ MGD

$13\mathrm{.}3$ MGD