You're trying to determine whether or not to expand your business by building a new manufacturing plant. The plant has an installation cost of S23.4 million, which will be depreciated straight-line to zero over its four-year life. If the plant has projected net income of $2, 055, 000, $2, 265, 000, $2, 274, 000, and $1, 446, 000 over these four years, 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., 32.16.) Average accounting return %