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Ayayai Corp. uses a perpetual inventory system reports the following for the month of June. Calculate the average cost per unit, using a perpetual inventory system. Assume a sale of 430 units occurred on June 15 for a selling price of $7 and a sale of 50 units on June 27 for $8. (Round intermediate calculations to 0 decimal places, e.g. 5.250 and final answer to 3 decimal places, e.g. 5.125.) June 1$ June 12 June 15 June 23$ June 27$ Calculate cost of the ending inventory and the cost of goods sold for each cost flow assumption, using a perpetual inventory system. Assume a sale of 430 units occurred on June 15 for a selling price of $7 and a sale of 50 units on June 27 for $8. (Round intermediate calculations and final answers to 0 decimal places, e.g. 125.)