Youre trying to determine whether to expand your business by building a new manufacturing plant. The plant has an installation cost of P15 million, which will be depreciated straight-line to zero over its four-year life. If the plant has projected net income of P1,938,200, P2,201,600, P1,876,000, and P1,329,500 over these four years, what is the projects average accounting return (AAR)?