A spring has a length of 15.4 cm and is hanging vertically from a support point above it.A weight with a mass of 0.200 kg is attached to the spring,causing it to extend to a length of 28.6cm.What is the value of the spring constant?

Question

$\begin{array}{1 1}14.9N/m\\15.9N/m\\24.9N/m\\17.9N/m\end{array} $