Frame Shop wants to know the effect of different inventory costing methods on its financial statements. The company uses the periodic inventory system. Inventory and purchases data for follow. Units Unit Cost Total Cost Sep 1 Beginning inventory 2,000 $10.00 $20,000 4 Purchase 1,000 $10.50 10,500 + 2 Frame Shop wants to know the effect of different inventory costing methods on its financial statements. The company uses the periodic inventory system. Inventory and purchases data for follow. Units Unit Cost Total Cost Sep 1 Beginning inventory 2,000 $10.00 $20,000 4 Purchase 1,000 $10.50 10,500 + 2