Show Me How Calculator Average Rate of Return The following data are accumulated by Lone Peak Inc. in evaluating two competing capital investment proposals: Truck 3D Printer $24,000 Amount of investment $92,000 5 years Useful life 4 years Estimated residual value Estimated total income over the useful life $2,160 $17,250 Determine the expected average rate of return for each proposal. If required, round your answers to one decimal place. 3D Printer Truck