Duck Company has gathered the following data on a proposed investment project (Ignore income taxes.): Investment required in equipment Annual cash inflows Salvage value of equipment Life of the investment Required rate of return $34,500 $ 7,800 $ 0 15 years 10% The company uses straight-line depreciation on all equipment. Assume cash flows occur uniformly throughout a year except for the initial investment. The simple rate of return for the investment (rounded to the nearest tenth of a percent) is: (Round your answer to 1 decimal place.) Multiple Choice 11.5% 25.9% 22.5% 15.9%