I don't know what to put in there. Help ASAP

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Perpetual Inventory Using FIFO Beginning Inventory, purchases, and sales data for DVD players are as follows: November 1 Inventory 54 units at $80 40 units 10 Sale 15 Purchase 31 units at $85 20 Sale 22 units Sale 24 13 units 30 Purchase 34 units at $90 The business maintains a perpetual Inventory system, costing by the first-In, first-out method. a. Determine the cost of the goods sold for each sale and the inventory balance after each sale, presenting the data in the form illustrated in Exhibit 3. Under units are in inventory at two different costs, enter the units with the LOWER unit cost first in the Cost of Goods Sold Unit Cost column and in the Inventory Un column. Cost of the Goods Sold Schedule First-in, First-out Method DVD Players Quantity Purchases Purchases Purchased Unit Cost Total Cost Cost of Cost of Quantity Goods Sold Goods Sold Inventory Inventory Inventory Sold Unit Cost Total Cost Quantity Unit Cost Total Cost Date 54 NO 4320 Nov. 1 80 40 3.2007 1.120 14 80 Nov. 10 14 NO 1.120 Nov. 15 31 8 2.615 31 *5 V 2.635 85 NO 14 1.120 Nov. 20 NS 680 KA 11 Nou 24 The business maintains a perpetual Inventory system, costing by the first-In, first-out method. #. Determine the cost of the goods sold for each sale and the Inventory balance after each sale, presenting the data in the form llustrated in E units are in Inventory at two different costs, enter the units with the LOWER unit cost first in the Cost of Goods Sold Unit Cost column and in the column Cost of the Goods Sold Schedule First-In, First-out Method DVD Players Quantity Purchased Purchases Purchases Unit Cost Total Cost Cost of Cost of Quantity Goods Sold Goods Sold Inventory Inventory Inventory Sold Unit Cost Total Cost Quantity Unit Cost Total Cost Date Nov. 1 54 SO J20 Nov. 10 40 3,200 14 30 1,120 Nov. 15 31 85 2.615 14 80 1,120 31 85 2.835 Nov. 20 14 80 1,120 85 85 680 Nov. 24 13 NS 1.105 8 X 85 680 X Nov. 30 34 90 3,060 8 85 650 34 90 3.060 Nov. 30 Balances 4,105 3.485 X