There are four principal decision models for evaluating and selecting investment projects: - Net present value (NPV) - Profitability index (PI) - Internal rate of return (IRR) - Payback period (PB) Which method recognizes the real option aspects of a proposed capital investment? NPV NPV and PI PB and discounted PB None of the methods (NPV, IRR, PI, PB, or discounted PB) recognizes the real option Read the following statements and categorize whether they characterize the IRR, NPV, PB, or PI