Emily Company 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: Unit Units Cont $11 2,960 Inventory, December 31, prior year For the current year: Purchase, April 11 Purchase, June 1 8,920 12 7,870 17 Sales ($52 each) 10,860 Operating expenses (excluding income tax expense) $194,500 Required: 1. Prepare a separate income statement through pretax income that details cost of goods sold for (a) Case A: FIFO and (b) Case B LIFO.