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Exercise 6-13 Deala Ltd. (DL") is a retailer of office equipment. The company uses a periodic inventory system and began October with 2,000 units with a total cost of $44,000. During the month of October, DL had the following inventory-related transactions: Unit Cost $23.00 22.50 Total Cost $124,200 99,000 Date Oct. 9 12 17 25 28 Explanation Units Purchase 5,400 Purchases 4,400 Sale (@ $41/unit) (5,400) Purchase 4,000 Sale (@ $41/unit) (6,400) 22.80 91,200 Determine the cost of goods available for sale for the month. (Round answers to the nearest whole dollar, e.g. 5,275.) FIFO Average Cost of goods available for salet Calculate ending inventory at October 31 and cost of goods sold for the month assuming that DL used (1) FIFO and (2) average cost. (Round average cost per unit to 2 decimal places, e.g. 50.25 and all other answers to the nearest whole dollar, e.g. 5,275.) FIFO Average Cost of ending inventory A Cost of goods sold Determine which cost formula would result in the higher gross profit for DL