Youre trying to determine whether or not to expand your business by building a new manufacturing plant. The plant has an installation cost of $19 million, which will be depreciated straight-line to zero over its four-year life. If the plant has projected net income of $1,835,000, $2,155,000, $2,054,000, and $1,336,000 over these four years, what is the projects average accounting return (AAR)? what is average accounting return?