Brief Exercise 12-9 Your answer is incorrect. Try again Swift il Company is considering investing in a new oil well. It is expected that the oil well will increase annual revenues by $120,000 and will increase annual expenses by68,000 including depreciation. The oil well will cost $468,000 and will have a $11,000 salvage value at the end of its 10-year useful life. Calculate the annual rate of return. (Round answer to 2 decima, places, e.g. 12.47.) Annual rate of return