; (B) shall calculate such cost-sharing amount as if the contracted rate for such item or service furnished by such a participating provider or facility were equal to— (i) the most recent (as of the date such item or service was furnished) contracted rate in effect between such provider or facility and such plan for such item or service furnished under such plan, if any; or (ii) if no contracted rate described in clause (i) exists, the recognized amount for such item or service; (C) shall pay to such nonparticipating provider or facility furnishing such item or service to such participant, beneficiary, or enrollee the amount by which— (i) if a contracted rate described in subparagraph (B)(i) exists, the most recent (as of the date such item or services was furnished) such rate; or (ii) if no contracted rate described in such subparagraph exists, the out-of-network rate; for such items and services exceeds the cost-sharing amount imposed under the plan for such items and services (as determined in accordance with subparagraphs (A) and (B))