Average rate of return The following data are accumulated by Patterson Inc. In evaluating two competing capital investment proposals: Project C Project T Amount of investment $125,000 $140,000 Useful life 10 years 12 years Estimated residual value $5,000 $10,000 Estimated total income over the useful life $65,000 $108,000 Determine the expected average rate of return for each project. Project C % Project T