Required information [The following information applies to the questions displayed below.] 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: Units Unit Cost $ 12 2,940 Inventory, December 31, prior year For the current year: Purchase, April 11 Purchase, June 1 Sales ($56 each) Operating expenses (excluding income tax expense) 8,940 7,980 10,900 13 18 $188,000 3. Which inventory costing method may be preferred for income tax purposes? Which inventory costing method may be preferred for income tax purposes