Sunland Oil Company is considering investing in a new oil well. It is expected that the oil well will increase annual revenues by $133,605 and will increase annual expenses by $90,000 including depreciation. The oil well will cost $450,000 and will have a $9,000 salvage value at the end of its 10 -year useful life. Calculate the annual rate of return. (Round answer to 0 decimal places, e.s. 13\%.) Annual rate of return \%