A municipality or other public body may, without limiting any provisions of AS 18.55.700, do any and all things necessary to aid and cooperate in the planning and undertaking of an urban renewal project in the area in which it is authorized to act, including the furnishing of financial and other assistance as the municipality or public body is authorized by AS 18.55.480 - 18.55.960 for or in connection with a redevelopment plan or redevelopment project.