This webpage explains three common return on investment (ROI) methods used to express the return you are getting on an investment: Payback Period, the Net Present Value (NPV) and the Internal Rate of Return (IRR).
Perspectives are different frameworks from which to explore the knowledge around sustainable sanitation and water management. Perspectives are like filters: they compile and structure the information that relate to a given focus theme, region or context. This allows you to quickly navigate to the content of your particular interest while promoting the holistic understanding of sustainable sanitation and water management.
This webpage explains three common return on investment (ROI) methods used to express the return you are getting on an investment: Payback Period, the Net Present Value (NPV) and the Internal Rate of Return (IRR).