The Quality Project Feasibility Analysis spreadsheet explains, through three examples, how the return on improvement projects is quantified using the economic and financial concepts of interest, Net Present Value (NPV), Minimum Attractiveness Rate (MAR), Internal Rate of Return (IRR) and Cost-Benefit relationships.
 Note: The spreadsheets available for download are based on references from blog posts and should be viewed only as supplementary study material. We do not offer support for technical questions regarding the theoretical content of the spreadsheets. This material does not exempt the user from adequate monitoring by a professional in order to obtain greater reliability, both in execution and in calculations.