Inventory Costing Methods-Periodic Method Spangler Company is a retailer that uses the periodic inventory system. March 1 Beginning inventory 100 units of Product M@ $1,690 total cost Purchased 10 Purchased 15 Seid 200 units of Product M@ $4.600 total cost 150 units of Product M@ $4,000 total cost 180 units of Product M Calculate the March cost of goods sold and the ending inventory at March 31 using (a) first-in, first-out, (b) last-in, first-out, and (c) the weighted average cost methods Do not round until your final answers. Round your final answers to the nearest dollar. A. First in, first-out Ending Inventory s Cost of Goods Sold O 8. Last in, first out C. Weighted average cost Ending Inventory Cost of Goods Sold $ D Ending inventory Cost of Goods Sold S $