Aviation Administration. (D) Logistics, such as direct costs associated with establishing or updating the tower's interface with other systems and equipment of the Federal Aviation Administration, if paid for by the Federal Aviation Administration. (4) Exclusions In establishing a benefit-to-cost ratio under paragraph (1) or paragraph (2), the Secretary may not consider the following costs: (A) Airway facilities costs, including labor and other costs associated with maintaining and repairing the systems and equipment of the Federal Aviation Administration. (B) Costs for depreciating the building and equipment owned by the Federal Aviation Administration. (C) Indirect overhead costs of the Federal Aviation Administration. (D) Costs for utilities, janitorial, and other services paid for or provided by the airport or the State or political subdivision of a State having jurisdiction over the airport where the tower is located. (E) The cost of new or replacement equipment, or construction of a new or replacement tower, if the costs incurred were incurred by the airport or the State or political subdivision of a State having jurisdiction over the airport where the tower is or will be located. (F) Other expenses of the Federal Aviation Administration not directly associated with the actual operation of the tower. (5) Margin of error The Secretary shall add a 5 percent margin of error to a benefit-to-cost ratio determination to acknowledge and account for any direct or indirect factors that are not included in the criteria the Secretary used in calculating the benefit-to-cost ratio. (6) Procedures The Secretary shall establish procedures— (A) to allow an airport or the State or political subdivision of a State having jurisdiction over the airport where the tower is located not less than 90 days following the receipt of an initial benefit-to-cost ratio determination from the Secretary— (i) to request the Secretary reconsider that determination