Smith Company, a Subsidiary of Parkins Inc. purchased inventory at the beginning of the year and resold it evenly throughout the first quarter. If the value of the foreign currency increased steadily during the quarter, the gross margin ratio for the first quarter will be highest if the parent company converts Smith Company's financial statement numbers using:

A. the temporal method. B. the current rate method. C. FIFO inventory method. D. LIFO inventory method.