Pierre's Hair Salon is considering opening a new location in French Lick, California. The cost of building a new salon is $290, 600. A new salon will normally generate annual revenues of $64, 210, with annual expenses (including depreciation) of $40, 400. At the end of 15 years the salon will have a salvage value of $75, 700. Calculate the annual rate of return on the project. (Round answer to 0 decimal places, e.g. 125.)