Case C-399/08 P: Judgment of the Court (First Chamber) of 2 September 2010 — European Commission v Deutsche Post AG, Bundesverband Internationaler Express- und Kurierdienste eV, UPS Europe SA, Federal Republic of Germany (Appeal — Article 87 EC — Aid granted by the Member States — Measures implemented by the Federal Republic of Germany for Deutsche Post AG — Article 86 EC — Services of general economic interest — Compensation for additional costs generated by a policy of selling below cost in the door-to-door parcel delivery sector — Existence of an economic advantage — Method used by the Commission to check — Burden of proof — Article 230 EC — Scope of the General Court’s powers of judicial review)