; (B) shall calculate such cost-sharing amount as if the total amount that would have been charged for such items and services by such participating provider were equal to the recognized amount (as defined in subsection (b)(3)(H)) for such items and services, plan or coverage, and year; (C) shall pay to such provider furnishing such items and services to such participant or beneficiary the amount by which the recognized amount (as defined in subsection (b)(3)(H)) for such items and services and year involved exceeds the cost-sharing amount imposed under the plan or coverage, respectively, for such items and services (as determined in accordance with subparagraphs (A) and (B))