Find the Q value and the kinetic energy of emitted $\alpha$ particle in the $\alpha$ decay of $_{88} Ra ^{226}$

Question

$\begin{array}{1 1} Q=4.85\;Mev, \;K.E=4.94\;Mev \\ Q=48.5\;Mev, \;K.E=49.4\;Mev \\ Q=4.94\;Mev, \;K.E=4.85\;Mev \\ Q=4.85\;Mev, \;K.E=48.5\;Mev \end{array} $