Such goods acquired by the Government through operating the Important Goods Import Fund in accordance with the provision of Article 4 paragraph 1 of the Important Goods Import Fund Special Account Law (Law No.58 of 1951) as may be designated by Cabinet Order may be sold at a price lower than the prevailing market prices;provided that the amount of said price shall not be less than the total of the purchase price, import charges, storage charges for such goods, business expenses and other charges.