From: www.itworld.com
July 18, 2008 —
This free Excel tool is a comprehensive general-purpose business value model (ROI calculator) to support the development of business cases for enterprise-scale information technology-based projects. It provides a robust structure to help organizations assess the business value (costs, benefits, TCO, and ROI) of technology projects/initiatives.
This workbook can be used as a standard corporate business case template for technology-based initiatives. It can also be used by consultants and technology vendors to articulate the business value of their products and solutions.
http://hallcr.com/roimodel.htm