Problem $9-6$ Calculating AAR $($LO$4)10$pointsYou're trying to determine whether to expand your business by building a new manufacturing plant. The plant has an installation cost of $$12$ million, which will be depreciated straight$-$line to zero over its four$-$year life. If the plant has projected net income of $$1,857,600,$ $$1,910,900,$ $$1,879,300,$ and $$1,332,800$ over these four years, what is the project's average accounting return $($AAR$)?($Round the final answer to $2$ decimal places.$)$Average accounting return$16\mathrm{.}63$