Return on Investment (ROI) is based on a simple formula:
Return on Investment = Business Value - Cost of Implementation
Where business value is qualified in terms of the POFL tests and cost of implementation is the cost of the product (and/or maintenance agreements) as well as the internal Delivery cost of deployment and support (as well as and configuration/customization costs). HSD helps organizations determine cost of implmentation by illuminating all of the work related to a Portfolio Request.
Where business value is not defined financially (e.g. in non-commercial organizations) we end up with a simple "Business Value vs. Cost of Implementation" equation which offers a simple decision to Business Leaders: Is the benefit worth the cost? We recommend that a wide stakeholder group is used to answer that question rather than just the Business Leaders so that decisions have wide support as they are made, rather than trying to gain support afterwards, especially when those decisions relate to tools, environments or COTS selection.