4 questions, 1 paragraph with 4 sentences each. No cut and paste.

1. As the text notes, firms should adopt positive NPV projects, and reject negative NPV projects. But what if a project has a $0 NPV? Should they accept the project or reject it? Explain. 2. In the framework of capital budgeting, what is an opportunity cost? What are examples? Compare/contrast "opportunity costs" and "incremental cash flow". 3. Read the article on \"The fundamental problem with using NPV in project evaluation\". The author presents three key reasons on why managers prefer using IRR over NPV. Of these three, which do you feel is his best argument and why? 4. I would argue that one of the things she mentions is not a 'cash flow' to include in the analysis. That is, if we set up a table of the annual cash flows for the project, one of the things she mentions would not be in the table. What would that one thing be