Wayne Company is considering a long-term investment project called ZIP. ZIP will require an investment of $121,600. It will have a useful life of 4 years and no salvage value. Annual revenues would increase by $78,904, and annual expenses (excluding depreciation) would increase by $40,600. Wayne uses the straight-line method to compute depreciation expense. The company's required rate of return is 10%. Compute the annual rate of return. Annual rate of return 15 %