; (B) the annual anticipated cost of carrying out such activities; (C) the technical milestones that will be used to evaluate the activities; and (D) identifying technology gaps that the Administrator or industry may need to address to fully implement the integrated plan. (3) A description of the operational concepts to meet the system performance requirements for all system users and a timeline and anticipated expenditures needed to develop and deploy the system. (4) A description of the management of the enterprise architecture framework for the introduction of any operational improvements and to inform FAA financial decision-making. (5) A justification for the operational improvements that the Office determines will need to be developed and deployed by 2040 to meet the needs of national airspace users, including the benefits, costs, and risks of the preferred and alternative options. (c) Considerations In developing an initial integrated plan required under subsection (b) and carrying out such plan, the Office shall consider— (1) the results and recommendations of the independent report on implementation of the NextGen program under section 603; (2) the status of the transition to, and deployment of, trajectory-based operations within the national airspace system; and (3) the findings of the audit required by section 622, and the resulting plan to replace or enhance the identified legacy systems within a reasonable timeframe. (d) Consultation In developing and carrying out the integrated plan, the Office shall consult with the NextGen Advisory Committee of the FAA. (e) Plan deadline