Case T-130/21: Judgment of the General Court of 7 December 2022 — CCPL and Others v Commission (Competition — Agreements, decisions and concerted practices — Retail food packaging — Decision adjusting the amount of a fine — Calculation of the fine — Imputability of unlawful conduct — 2006 Guidelines on the method for setting fines — Upper limit of the fine — Proportionality — Equal treatment — Ability to pay)