; and (III) the total amount of increases in payment under this subsection for all providers and suppliers of air ambulance services, pursuant to this subparagraph, in such payment year shall be equal to the sum of the total amount, as estimated by the Secretary, of the reductions to payments under this subsection for such payment year pursuant to subparagraph (E) and the total amount, as estimated by the Secretary, of the reductions made under paragraph (17)(F)(i) and made available under paragraph (17)(F)(iii)(I) for purposes of performance payments under this paragraph for such payment year. (E) Funding for performance incentive adjustments (i) In general With respect to air ambulance services furnished by a supplier or provider of air ambulance services during 2024 or a subsequent year, the Secretary shall, after determining the percentage increase under paragraph (3)(B), and after application of paragraphs (3)(C), (17), and (19), shall reduce such percentage increase for payments under the fee schedule under this subsection otherwise applicable to such provider or supplier for services furnished by such provider or supplier during such year by the applicable percent (as defined in clause (ii)). The Secretary shall make such reductions for all providers and suppliers of air ambulance services in the year involved, regardless of whether or not the provider or supplier has been determined by the Secretary to have earned a performance payment percentage point adjustment under subparagraph (D) for such year. (ii) Applicable percent For purposes of clause (i), the term applicable percent means, with respect to 2024 and succeeding years, 2 percent. (F) Performance period For purposes of this paragraph, the term performance period means, with respect to a payment year, the previous year (or, if specified by the Secretary, portion or portions of such previous year). .