... years and the repayment shall include interest, at a rate determined by the Secretary of the Treasury as of the beginning of the fiscal year in which the work is com-menced, on the basis of average ... time) as, in the judgment of the Administrator, are from time to time required for the purpose of ‘‘(i) constructing, financing, facilitating, planning, operating, maintaining, or studying construction ... 1301 note) and for the purposes of developing and maintaining a broadband inventory map pursuant to division B of this Act: Provided further, That of the funds provided under this heading, amounts...