$3\mathrm{.}2$ Using the average$-$end$-$area method, calculate the cut$-$and$-$fill volumes for stations $15+00$ through $21+00.$

$\backslash$table$[[$Station$,\backslash$table$[[$End$-$area$],[$cut $($sf$)]],\backslash$table$[[$End$-$area$],[$fill $($sf$)]],\backslash$table$[[$Volume of$],[$cut $($bcy$)]],\backslash$table$[[$Volume of$],[$fill $($ccy$)]]],[15+00,568,0,-,-],[16+00,233,69,,],[17+00,36,456,,],[18+00,0,966,,],[19+50,0,2,655,,],[20+00,0,3,455,,],[21+00,0,2,788,,]]$