Dandaloin's Dresses uses the periodic inventory system: Inventory Purchases: Date # of Units Cost per Unit Total Cost 1-1 5,000 $20` $100,000 3-1 10,000 $25 $250,000 6-1 15,000 $30 $450,000 Total 30,000 $800,000 Calculate Cost of Goods Sols and Ending Inventory using First in First Out. Last in First Out and Weighted Average. 20,000 units were sold and 10,000 units remain in ending inventory