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Calculate the average cost per unit, using a perpetual inventory system. (Round answers to 3 decimal places, e.g. 5.125.) June 1$ June 12$ June 15$ June 23$ June 27$ Calculate the cost of the ending inventory and the cost of goods sold for each cost flow assumption, using a perpetual inventory system. (Round per unit cost to 3 decimal places, es. 15.647 and final answers to 0 decimal places, eg. 5,125. Round answers to 0 decimal places, e.8. 125.) Calculate the average cost per unit, using a perpetual inventory system. (Round answers to 3 decimal places, e.g. 5.125.) June 1$ June 12$ June 15$ June 23$ June 27$ Calculate the cost of the ending inventory and the cost of goods sold for each cost flow assumption, using a perpetual inventory system. (Round per unit cost to 3 decimal places, es. 15.647 and final answers to 0 decimal places, eg. 5,125. Round answers to 0 decimal places, e.8. 125.)