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 criteria assume that the project's net cash flows (NCFs) are reinvested at the firm's cost of capital? NPV, PI, and discounted PB NPV and IRR NPV and PI PI Read the following statements and categorize whether they characterize the IRR, NPV, PB, or PI decision criteria