There are four principal decision models for evaluating and selecting investment projects: Net present value (NPV) Profitability index (PI) Internal rate of return (IRR) middot Payback period (PB) Which criteria assume that the project's net cash flows (NCFs) are reinvested at the project's internal rate of return? PI and discounted PB IRR and PI IRR NPV and PI Read the following statements and categorize whether they characterize the IRR, NPV, PB, or PI decision criteria