C$1$ Determine the maximum load, in kN $,$ that can be applied at the end of a $8000$

mm cantilever beam of universal rolled$-$steel beam cross$-$section, $0\mathrm{.}72$ m deep,

with a moment of inertia of $290{10}^{6}m{m}^4,$ if the allowable stress is $160$ MPa $.$