In a $65$ m high waterfall, $5\mathrm{.}0$ x $105$ m$3$ of water flows over every $5\mathrm{.}5$ hours. $6\mathrm{.}5\%$ of the flow is diverted into a Hydroelectric Generating Station that operates at $75\%$ efficiency.

What would the power rating of the Generating Station be$?$

How much electrical energy would be generated annually? $($Answer in MJ as well as kW$$h$)$