Net Present Value, Internal Rate of Return, and Pay Back Period are decision rules used to evaluate the possibility of investments in capital projects. NPV>0, IRR>Hurdle Rate (or IRR>Cost of Capital), and acceptable Pay Back Period relative to capital constraints.

How are these rules challenged amid the pandemic and do you envision corporations relaxing or tightening the application of these rules in their corporate planning processes moving forward, as they navigate their response to unprecedented circumstances? What other "rules" / types of rules do you envision being implemented, and why?