Hamell Company has gathered the following data on a proposed investment project: Discount rate 8% Life of the project 8 years Initial investment $330,000 Annual cash inflows 54,450 Salvage value 0 Assume that excess of incremental revenues over the incremental expenses (including depreciation) equal the annual cash inflows. The simple rate of return on the proposed investment is closest to: (Round your answer to 1 decimal place.)