Inventory Costing Methods-Periodic Method The following data are for the Portet Corporation, which sells just one product: Units Unit Cost Beginning Inventory, January 1 1.200 $13 Purchases: February 11 1,500 May 18 1,400 October 23 1,100 17 Sales: March 1 1,400 July 1 1,400 October 291,000 Calculate the value of ending inventory and cost of goods sold at year-end using the periodic method and (a) first-in, first-out, (b) last-in, first-out, and (c) weighted average cost method. Hint: For weighted-average cost, round the cost per unit to 3 decimal places and round your final answers to the nearest dollar. a. First-in, First-out: Ending Inventory $ Cost of goods sold $ b. Last-in, first-out: Ending Inventory $ Cost of goods sold $ 0x Weighted Average Ending Inventory $ 0x Cost of goods sold $