t will be served by issuance of the [injunction] .c United States v. Philip Morris, Inc., 314 F.3d 612, 617 (D.C.Cir.2003) (citing Washington Metro. Area Transit Comen v. Holiday Tours, Inc., 559 F.2d 841, 843 (D.C.Cir.1977)). %These factors interrelate on a sliding scale and must be balanced against each other.cd