Joetz corporation has gathered the following data on a proposed investment project (ignore income taxes.): investment required in equipment $ 30,000 annual cash inflows $ 6,000 salvage value of equipment $ 0 life of the investment 15 years required rate of return 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: multiple choice 20.0% 13.3% 18.0% 10.0%