I need help with this practice problem. Please solve it on paper so I can follow along with the steps! Question: A simplified water supply system consisting of a reservoir with lift pumps, elevated storage, piping, and load center $($withdrawal point$)$ is shown. $1)$ Based on the following data, calculate the hydraulic heads at points A$,$ B$,$ and C; and $2)$ compute the flow available at point B from both supply pumps $($A$)$ and elevated storage $($C$).$ Use Hazen$-$Williams C $=100$ and pipe sizes as shown in the following figure.