There is a return on investment. 

The ROI for the solution is good. Our organization has stuck with the solution for more than twenty years. So, from the aforementioned fact, one can imagine the solution's ROI. I would say that the solution's ROI is 100%.

We implemented early, and we are reaping benefits now and rolling out new functionality and self-service apps without any additional budgets (that is with two internal resources, same resources for maintaining the application and changes required with benefit vendors).