$4\mathrm{.}2.$ Reduce the following levelling using the rise and fall method.

$(10)$

$\backslash$table$[[$Point$,\backslash$table$[[$BS$],[(+)]],$IS$,\backslash$table$[[$FS$],[(-)]],\backslash$table$[[$Rise$],[(+)]],\backslash$table$[[$Fall$],[(-)]],$RL$,$Corr.,$\backslash$table$[[$Adjusted$],[$Height$]],\backslash$table$[[$Final$],[$Height$]]],[$CNT$1,1,824,,,,,,,1197,354,1197,354],[$SV$00,1,275,,1,692,,,,,,],[$SV$20,0,937,,1,739,,,,,,],[$SV$40,1,566,,1,482,,,,,,],[$SV$60,1,761,,1,217,,,,,,],[$SV$80,0,857,,1,266,,,,,,],[$CNT$2,,,1,432,,,,,1196,734,1196,734],[,,,,,,,,,],[,,,,,,,,,],[,,,,,,,,,]]$

Corr. $=$ correction

$[15$ MARKS$]$