concerned that the cost of the acquisition is unreasonable. (C) A determination by the head of the Federal agency concerned that the article, material, or supply is not mined, produced, or manufactured in the United States in sufficient and reasonably available commercial quantities of a satisfactory quality. . (d) Conforming amendments Title 41, United States Code, is amended— (1) in section 8302— (A) in paragraph (1) of subsection (a)— (i) by striking department or independent establishment and inserting Federal agency