Youre trying to determine whether or not to expand your business by building a new manufacturing plant. The plant has an installation cost of $$22\mathrm{.}6$ million, which will be depreciated straight$-$line to zero over its four$-$year life. If the plant has projected net income of $$2,015,000,$ $$2,245,000,$ $$2,234,000,$ and $$1,426,000$ over these four years, what is the projects average accounting return $($AAR$)?$