In a meter bridge (shown in the figure), the null point is found at a distance of \(33.7\text{ cm}\) from \(A.\) If now a resistance of \(12~\Omega\) is connected in parallel with \(S,\) the null point occurs at \(51.9\text{ cm}.\) The values of \(R\) and \(S\) are respectively:

  
1. \(13.5~\Omega,~6.86~\Omega\)
2. \(13.5~\Omega,~13.5~\Omega\)
3. \(6.86~\Omega,~6.86~\Omega\)
4. \(6.86~\Omega,~13.5~\Omega\)