Average Rate of Return The following data are accumulated by Lone Peak Inc. in evaluating two competing capital investment proposals: Truck 3D Printer Amount of investment $52,000 $48,000 Useful life 5 years 4 years Estimated residual value 07 Estimated total income over the useful life $5,720 $11,400 Determine the expected average rate of return for each proposal. If required, round your answers to one decimal place. 3D Printer Truck