(1) if the mine is situated(a) in the Near North, the amount by which $2,000,000 exceeds the aggregate of all amounts each of which is an amount deducted by the operator in computing its annual earnings from the mine for a preceding fiscal year under subparagraph h of subparagraph 2 of the fourth paragraph of section 8, or
(b) in the Far North, the amount by which $5,000,000 exceeds the aggregate of all amounts each of which is an amount deducted by the operator in computing its annual earnings from the mine for a preceding fiscal year under subparagraph h of subparagraph 2 of the fourth paragraph of section 8; and