The Corporation shall have a capital stock of $100,000,000 which shall be subscribed by the United States. Such subscription shall be deemed to be fully paid by the transfer of assets to the Corporation pursuant to section 714n of this title. The Corporation shall pay interest to the United States Treasury on the amount of its capital stock, and on the amount of the obligations of the Corporation purchased by the Secretary of the Treasury pursuant to the Act of March 8, 1938 (U.S.C., title 15, sec. 713a–4), as amended, at such rates as may be determined by the Secretary of the Treasury to be appropriate in view of the terms for which such amounts are made available to the Corporation.