Average Rate of Return The following data are accumulated by GreenApple Motors Inc. evaluating two competing capital investment proposals: Amount of investment Useful life Estimated residual value Estimated total income over the useful life Testing Equipment Diagnostic Software $44,000 4 years $0 $7,040 $32,000 9 years $0 $17,280 Determine the expected average rate of return for each proposal. If required, round to one decimal place. Testing Equipment Diagnostic Software % %