Glvoly Incorporated uses a periodic inventory system. At the end of the annual accounting period, December 31 of the current year, the accounting records provided the following information for product 2 : 1. Prepare a separate income statement through pretax income that detalls cost of goods sold for () Case A: FIFO and (b) Case B: LIFO. 2. Compute the difference between the pretax income and the ending inventory amounts for the two cases. 3. Which inventory costing method may be preferred for income tax purposes? Complete this question by entering your answers in the tabs below. Prepare a separato income statement through pretax income that details cost of goods sold for (a) Case A: FiFO and (b) Case B. Lifo B. Lifo. Note: Loss amounts should be indicoted with a minut sign