What is units from July $25$ and ending inventory?

Required A Required B Calculate the cost of ending inventory and cost of goods sold assuming a perpetual inventory system is used in combination with FIFO. Beginning Inventory Purchases July 13 July 25 Total Purchases Goods Available for Sale Cost of Goods Sold Units from Beginning Inventory Units from July 13 Purchase Units from July 25 Purchase Total Cost of Goods Sold Ending Inventory FIFO (Perpetual) Cost Units per Unit 40 e 2,000 6,000 44 50 e 8,000 40 e 2,000 44 e 6,000 50 e 8,000 $ Required A Total 80,000 664,000 744,000 744,000 Required B