; and (B) remove employees who are no longer required by the Administration or the Board once the Administration and the Board are no longer processing any appeals of decisions on legacy claims. (5) An estimate of the amount of time the Administration and the Board will require to hire additional employees as described in paragraph (3)(A) once funding has been made available for such purpose, including a comparison of such estimate and the historical average time required by the Administration and the Board to hire additional employees. (6) A description of the modifications to the information technology systems of the Administration and the Board that the Administration and the Board require to carry out the modernized appeals system, including cost estimates and a timeline for making the modifications. (7) An estimate of the office space the Administration and the Board will require during each of the periods described in paragraph (2), including— (A) an estimate of the amount of time the Administration and the Board will require to acquire any additional office space to carry out processing of appeals of decisions on legacy claims and processing of appeals under the modernized appeals system; (B) a comparison of the estimate under subparagraph (A) and the historical average time required by the Administration and the Board to acquire new office space