Suppose that Ralph Lauren Company reports the following for the month of June. (a) Calculate the 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 790 units occurred on June 15 for a selling price of $8 and a sale of 820 units on June 27 for $9. (Round average cost per unit to 3 decimal places, e.g. 5.254 and final answers to 0 decimal places, e.g. 2,520.)