Finds that nonprofit organizations and associations engaged in the education and training of people, located in economically disadvantaged areas, who are involved in the creation and expansion of businesses with marketable products and services in a physical location provide many public benefits to the people of the state of Washington. Therefore, the legislature finds that it is in the best interest of the state to provide a limited property tax exemption for the use of these facilities by certain organizations in order to be self-sustaining for their exempt purposes.