Youre trying to determine whether or not to expand your business by building a new manufacturing plant. The plant has an installation cost of $19.4 million, which will be depreciated straight-line to zero over its four-year life. If the plant has projected net income of $1,855,000, $2,165,000, $2,074,000, and $1,346,000 over these four years, what is the projects average accounting return (AAR)?