Truck The following data are accumulated by Lone Peak Inc. in evaluating two competing capital investment proposals: 3D Printer Amount of investment $76,000 $72,000 Useful life 4 years 7 years Estimated residual value Estimated total income over the useful life $9,880 $23,940 Determine the expected average rate of return for each proposal. If required, round your answers to one decimal place. 0 0 3D Printer % Truck %