Flounder 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 237 $71 $16,827 237 3 Purchases 524 105 55,020 761 10 Sales (307) 454 15 Purchases 938 122 114,436 1,392 25 Sales (319) 1,073 (a) Calculate the cost of goods sold and ending inventory using the FIFO cost method. Cost of goods sold $ Ending inventory $