Youre trying to determine whether to expand your business by building a new manufacturing plant. The plant has an installation cost of $12.3 million, which will be depreciated straight-line to zero over its four-year life. If the plant has projected net income of $1,884,300, $1,937,600, $1,906,000, and $1,359,500 over these four years, what is the projects average accounting return (AAR)? (Do not round intermediate calculations. Enter your answer as a percent rounded to 2 decimal places, e.g., 32.16.)

Average accounting return ?