The competent authorities shall apply the administrative sanctions and measures referred to in Article 24(2) taking into account all relevant circumstances including, where appropriate:
(a) the gravity and the duration of the infringement;
(b) the degree of responsibility of the person responsible for the infringement;
(c) the impact of the infringement on retail investors' interests;
(d) the cooperative behaviour of the person responsible for the infringement;
(e) any previous infringements by the person responsible for the infringement;
(f) measures taken after the infringement by the person responsible for the infringement to prevent its repetition.