Average Rate of Return The following data are accumulated by Lone Peak Inc. In evaluating two competing capital investment proposals: Amount of investment Useful life Estimated residual value Estimated total income over the useful life 3D Printer Truck $92,000 $52,000 4 years 9 years 0 0 $14,720 $25,740 Determine the expected average rate of return for each proposal. If required, round your answers to one decimal place. 3D Printer Truck % %