Problem $9-6$ Calculating AAR $[$LO$4]$You$$re trying to determine whether to expand your business by building a new manufacturing plant. The plant has an installation cost of $$11\mathrm{.}8$ million, which will be depreciated straight$-$line to zero over its four$-$year life. If the plant has projected net income of $$1,834,300,$ $$1,887,600,$ $$1,856,000,$ and $$1,309,500$ over these four years, respectively, what is the project$$s average accounting return $($AAR$)?($Do not round intermediate calculations and enter your answer as a percent rounded to $2$ decimal places, e$.$g$.,32\mathrm{.}16.)$