The expected average rate of return for a proposed investment of $650,000 in a fixed asset, with a useful life of 4 years, straight-line depreciation, no residual value, and an expected total net income of $240,000 for the 4 years, is a. 13.9% Ob. 9.25% c. 36.9% Od. 18.5% Determine the average rate of return for a project that is estimated to yield total income of $600,000 over 4 years, cost $840,000, and has an $80,000 residual value. Round your answer to one decimal place. %