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 : 2. Compute the difference between the pretax income and the ending inventory amount for the two cases. 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 : 3. Which inventory costing method may be preferred for income tax purposes