; (B) shall calculate such cost-sharing amount as if the contracted rate for such services if furnished by a participating provider were equal to the recognized amount for such items and services; (C) shall pay to such provider furnishing such items and services to such participant, beneficiary, or enrollee the amount by which 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))