Case C-589/18 P: Judgment of the Court (Seventh Chamber) of 19 December 2019 — Furukawa Electric Co. Ltd v European Commission, Viscas Corp. (Appeal — Competition — Agreements, decisions and concerted practices — European market for underground and submarine power cables — Market allocation in connection with projects — Fines — 2006 Guidelines on the method of setting fines — Determination of the value of sales — Principle of equal treatment)