Important: Show your work, if work is not shown no credit will be awarded Use this inventory information for the month of September to answer the following questions. Sept. 1 30 units @ $60 Beginning inventory 5 Purchase 14 Sale 21 Purchase 28 Sale 150 units @ $56 120 units @ $120 90 units @ $58 75 units @ $125 Calculate the following assuming a PERIODIC INVENTORY SYSTEM: Cost of Goods Sold using FIFO Ending Merchandise Inventory using LIFO Cost of Goods Sold using Average Cost Calculate the following using a PERPETUAL INVENTORY SYSTEM: Ending Merchandise Inventory using LIFO Gross Profit using LIFO S S