Jennifer Frye, CFA, is comparing the financial performance of a firm that presents its results under IFRS to that of a firm that complies with U.S. GAAP. The U.S. firm uses the LIFO method for inventory accounting and the other firm uses the FIFO method. If Frye performs the appropriate adjustments to make the U.S. firm’ s financial statements comparable to the firm that reports under IFRS, her adjustments are least likely to change the firm’ s :（）
A. quick ratio.
B. net profit margin.
C. debt-to-equity ratio.