Current Attempt in Progress Your answer is incorrect, Swift Oil Company is considering investing in a new oil well. It is expected that the oil well will increase annual revenues by $122,000 and will increase annual expenses by $90,000 including depreciation. The oil well will cost $424.000 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 decimal places, es. 12.47.) Annual rate of return %