3. It is possible that the three different methods of determining return on investment (ROI) for capital expenditures (if comparing three different projects) could give us three different answers as to which project to select. (See pages 192-194). If that happens, the best method to use to make the selection of which of the three projects to do is? Net present value (NPV) Internal rate of retum (IRR) Payback method It depends on the circumstances; any of the three methods could be best given specific circumstances