Calculate cost of the ending inventory and the cost of goods sold for each cost flow assumption, using a perpetual irventory 5ystem. Assume a sale of 420 units occurred on June 15 for a selling price of $8 and a sale of 50 units on June 27 for $9. (Round) Intermediate colculations and final answers to 0 decimal places, eg. 125.) Shamrock, Inc. uses a perpetual inventory system reports the following for the month of June