The breaking stress of aluminium is $7\times 10^7N/m^2$.Find the maximum length of wire that can be hang with out breaking if density of aluminium is $3\times 10^3Kgm^{-3}$

Question

$\begin{array}{1 1}(A)\;2.83\times 10^3m\\(B)\;2.38\times 10^3m\\(C)\;5.83\times 10^3m\\(D)\;2.67\times 10^3m\end{array} $