Oahu Kiki tracks the number of units purchased and sold throughout each accounting period but applies its inventory costing method perpetually at the time of each sale, as if it uses perpetual inventory system. Assume Oahu Kiki's records show the following for the month of January. The company sold 290 units between January 16 and 23 Beginning Inventory Purchase Purchase Date January 1 January 15 January 24 Units Unit Cost Total Cost 240 $70 $16,800 450 30 36,000 210 100 21,000 Required: Calculate the cost of ending inventory and the cost of goods sold using the FIFO and LIFO methods. FIFO LIFO cost of Ending Inventory Cost of Goods Sold