Average Rate of Return The following data are accumulated by Watershed Inc. in evaluating two competing capital investment proposals: Amount of investment Useful life Estimated residual value Estimated total income over the useful life Project A Project Z $84,000 $96,000 4 years 5 years 0 0 $7,560 $22,800 Determine the expected average rate of return for each project. Round your answers to one decimal place. Project A 0.011 % Project Z 0.0235 %