You can select maximum $1$ choice

$\backslash$table$[[$Company$,$Company Annual Profit $,$Cost to buy Company $,$Number of Employees$],[$A$,20000,18000,5],[$B$,26000,25000,8],[$C$,21000,20000,8],[$D$,30000,30000,18]]$

If the profits per employee remain the same, how many extra employees would Company $B$ have to recruit to achieve annual profits of $39,000?$

$($A$)6$

$($B$)3$

$($C$)12$

$($D$)4$