Beck Inc. 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 7.200 $10 Inventory, December 31, prior year For the current year: Purchase, March 5 Purchase, September 19 Sale ($30 each) Sale ($32 each) Operating expenses (excluding income tax expense) 9,2008 10,200 8,200 6,200 $402,000