Case C-301/19 P: Judgment of the Court (Fourth Chamber) of 20 January 2021 — European Commission v Printeos SA (Appeal — Competition — Agreements, decisions and concerted practices — Decision finding infringement of Article 101 TFEU — Fines — Annulment — Repayment of the principal amount of the fine — Article 266 TFEU — Default interest — Distinction between default interest and compensatory interest — Calculation of interest — Article 90(4)(a), second sentence, of Delegated Regulation (EU) No 1268/2012)