An organic compound contains C, H and S. The minimum molecular weight of the compound containing $8\%$ sulphur is : (atomic weight of $S=32 amu$)

Question

$\begin{array}{1 1} (1)200\;g\;mol^{-1} \\ (2) 400\;g\;mol^{-1} \\ (3) 600\;g\;mol^{-1} \\ (4) 300\;g\;mol^{-1} \end{array} $