Ayayal Limited uses a perpetual inventory system. The inventory records show the following data for its first month of operations: Date Explanation Units Unit Cost Total Cost Balance in Units Aug. 2 Purchases 247 $68 $16,796 247 3 Purchases 488 102 49,776 735 10 Sales (311) 424 15 Purchases 943 117 110,331 1,367 25 Sales (335) 1,032 (a) Calculate the cost of goods sold and ending inventory using the FIFO cost method. Cost of goods sold $ Ending Inventory $