Nittany 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 1: Inventory, December 31, prior year For the current years, Units 1,950 Unit Cost $6 Purchase, March 21, 5,1901 B Purchase, August 1 2,850 9 Inventory, December 31, current year 4,050