Sermone Company uses the periodic inventory method and had the following inventory information available for March: Unit Total Units Cost Cost Beginning Inventory, March 300 $7 $ 2,100 Purchases: March 8 650 $8 5,200 March 19 600 $9 5,400 March 25 450 $10 4,500 Goods Available for Sale 2,000 $ 17,200 It is determined that on March 31, 630 units remain on hand. QUIRED: Determine the Cost of Goods Sold for the month of March and the cost of the Ending Inventory on March 31, assuming that Sermone Company uses the: First-in, First-out Costing Method (FIFO) Last-in, First-out Costing Method (LIFO) Weighted Average Costing Method First-In, First-Out Costing (FIFO)--oldest units are SOLD first. Ending Inventory Cost of Goods Sold Unit Total Unit Total Units Cost Cost Units Cost Cost