Calculate the vertical index difference and vertical angle in Table $1.$

Table $1$ Record for vertical angle observation

$\backslash$table$[[$Station$,$Target,$\backslash$table$[[$Vertical$],[$position$]],\backslash$table$[[$Vertical dial$],[$reading$]],\backslash$table$[[$Half measured$],[$angle value$]],\backslash$table$[[$Index$],[$difference$]],\backslash$table$[[$One$],[$measurement$],[$round angle value$]],$Note$],[O,$A$,L,76{31}^{\text{'}}{12}^{\text{'}\text{'}},(1),(3),(4),],[$R$,283{28}^{\text{'}}{54}^{\text{'}\text{'}},(2),],[,L,92{04}^{\text{'}}{28}^{\text{'}\text{'}},(5),(7),(8),],[,R,267{55}^{\text{'}}{46}^{\text{'}\text{'}},(6),]]$

Calculate the horizontal angle in Table $2.$

Table $2$ mecord for horizontal angle observation

$\backslash$table$[[$Station$,$Vertical dial,Target,Reading,$\backslash$table$[[$Half$-$round$],[$angle$]],\backslash$table$[[$One round$],[$angle$]],$Note$],[O,L,A,00{00}^{\text{'}}{16}^{\text{'}\text{'}},(1),(3),],[B,58{49}^{\text{'}}{40}^{\text{'}\text{'}},],[R,A,180{00}^{\text{'}}{34}^{\text{'}\text{'}},,,],[,B,238{49}^{\text{'}}{16}^{\text{'}\text{'}},,,]]$