There are four prindipal dedsion models for evaluating and selecting investment projects: . Net present value (NPV) Profitability index (PI) Intemal rate of retum (IRR) .Payback period (PB) which method or methods adjust the project's net cash lows (NCFs) to recognize the effects of the magnitude timing, and riskiness of the project's cash flows? O NPV, IRR, and PI O NPV, IRR, PI, and discounted PB O PI O NPV Read the following statements and categorize whether they characterize the IRR, NPV, PB, or PI deision criteria: Statement IRR NPV PB PI This value should not be used to decide whether to accept or reject a project The ratio of the present value of the expected net cash flows over the life of the project to the net investment The value is the discount rate or retum at which the project's net present value is zero