Everything is right except the units sold under the Aug. 25 column next to 6.90 and 6.40. Can you help me with this calculation?

Required information [The following information applies to the questions displayed below.] Altira Corporation provides the following information related to its merchandise inventory during the month of August 2021: Aug.1 Inventory on hand-3,400 units; cost $7.50 each. 8 Purchased 17,000 units for $6.90 each. 14 Sold 13,600 units for $13.40 each. 18 Purchased 10,200 units for $6.40 each. 25 Sold 12,600 units for $12.40 each. 28 Purchased 5,400 units for $5.80 each. 31 Inventory on hand-9,800 units. Required: 1. Using calculations based on a perpetual inventory system, determine the inventory balance Altira would report in its August 31, 2021, balance sheet and the cost of goods sold it would report in its August 2021 income statement using the FIFO method. Cost of Goods Available for Sale Cost of Goods Sold - August 14 Cost of Goods Sold - August 25 Invento Perpetual FIFO: Cost per # of units Cost per # of units sold Cost of Goods unit Available for Sale $ 7.50 $ 25,500 Cost of Goods Sold of units Cost per sold unit Cost of Goods Sold Total Cost of Goods Sold # of units in inventory Cos u unit 3,400 3,400 $ 7.50 $ 25,500 0 $ 7.50 $ 0 $ 10.200 70,380 0 Beg. Inventory Purchases: August 8 August 18 August 28 Total 17,000 10,200 6.90 6.40 5.80 0 117,300 65,280 31,320 239,400 6.90 6.40 5.80 0 6.90 6.40 5.80 0 0 5.400 36,000 4,400 5,400 9.800 $ 13,600 $ 95.880 0 $ $ 95.880