Blue Limited uses a perpetual inventory system. The inventory records show the following data for its first month of operations: Date Aug. 2 Explanation Purchases Units 237 Unit Cost $68 Total Cost Balance in Units $16,116 237 3 Purchases 483 102 49,266 720 10 Sales (318) 402 15 Purchases 858 118 101,244 1,260 25 Sales (319) 941 (a) Your answer is incorrect. Calculate the cost of goods sold and ending inventory using the FIFO cost method. Cost of goods sold $ Ending inventory $