Average Rate of Return 4 years The following data are accumulated by Watershed Inc. in evaluating two competing capital investment proposals: Project A Project z Amount of investment $48,000 $72,000 Useful life 5 years Estimated residual value 0 Estimated total income over the useful life $6,720 $17,100 Determine the expected average rate of return for each project. Round your answers to one decimal place. Project A Project 2 % 0 %