A community organization created mobile sanitation stations for persons experiencing homelessness in a large downtown area. They have just completed their first year of services, which were funded by a foundation grant. The social worker proposes that the city government continue the funding to make the services permanent; however, the government expressed concerns that sanitation was not the best use of their limited funds that were dedicated to homeless relief. Which of the following would be the BEST assessment the social worker could conduct to address this concern? a) Cost-benefit analysis b) Exit interviews c) Impact evaluation d) Needs assessment