In a Bohr's model of atom when an electron jumps from n=1 to n=3 how much energy will be emitted or absorbed

Question

$\begin{array}{1 1}(a)\;2.15\times10-11erg\\(b)\;0.1911\times10-10erg\\(c)\;2.389\times10-12erg\\(d)\;0.239\times10-10erg\end{array}$