187The inadequacy of the reasoning behind the Decision regarding deterrence becomes even more apparent if that reasoning is compared with the much more detailed statement of reasons given by the Commission to justify the application of a deterrence factor in Decision 1999/60/EC of 21 October 1998 relating to a proceeding pursuant to Article 85 of the EC Treaty (IV/35.691/E-4 — Pre-Insulated Pipes) (OJ 1999 L 24, p. 1, ‘the Pre-Insulated Pipes decision’).