(21)According to the available data, the potential increase of costs of products or the potential reduction of the profit margins of the industries placing products on the Union market due to the application of extended producer responsibility would be marginal at Union level and would not endanger the affordability, availability or accessibility of those products on the Union market. Member States should, however, take into consideration the possible impacts of the application of the requirements of the extended producer responsibility on the accessibility, availability and affordability of products at national level, in particular medicines, placed on the Union market, as well as the possible impacts of the application of those requirements on the level playing field. Member States can take action to ensure sufficient funds are available, including by financing part of the costs for the quaternary treatment. Given that Member States might choose different implementation approaches, attention should be paid to the functioning of the internal market and, in any forthcoming evaluation of this Directive, the Commission should assess any potential impacts in this regard.