; (2) the performance of the stewardship of the Department of the Interior and the disposition of receipts by the Department of the Interior in carrying out this Act and the amendments made by this Act; and (3) the performance of the valuation approach carried out under this Act and the amendments made by this Act, including a review of whether other approaches could more fully capture foregone revenue of leasing in low-market conditions in light of other possible economic uses at different points in the future. (c) Report If the Comptroller General of the United States enters into an arrangement with the National Academy of Sciences under subsection (a), not earlier than 3, but not later than 5, years after the date of enactment of this Act, the Comptroller General shall submit to Congress a report that describes the results of the study conducted under that subsection.