Average Rate of Return The following data are accumulated by Watershed Inc. in evaluating two competing capital investment proposals: Project A Project 2 Amount of investment $68,000 $84,000 Useful life 9 years Estimated residual value Estimated total income over the useful life $9,520 $45,360 Determine the expected average rate of return for each project. Round your answers to one decimal place. Project A 4 years o 0 Project Z All work saved. Save and E