Check for missclosure$/$closure error and qualify the work. The elevation of point $A$ is $152\mathrm{.}65m.$ The leveling route has a perimeter of $4000m$ and the work is a $3^{rd}$ degree order.

$\backslash$table$[[$Point$,$BS$,$FS$],[$BM A$,3\mathrm{.}21,],[$B$,1\mathrm{.}90,2\mathrm{.}98],[$C$,2\mathrm{.}00,3\mathrm{.}32],[$D$,3\mathrm{.}40,2\mathrm{.}87],[$BM A$,,1\mathrm{.}32]]$