This table shows the volumes $($ccy$)$ between the end areas which are calculated using the average$-$end$-$area method. The quantity values for different stations are presented, except for three quantities that you need to calculate. Which one is the correct $V_2$ volume $($ccy$)?$

$\backslash$table$[[$Station$,$End Area $($sf$),$Distance $(ft),$Volume $($ccy$)],[170+00,840,-,-],[170+25,970,25,838\mathrm{.}0],[170+50,1360,25,V_1$