Ivanhoe Company's inventory records show the following data for the month of September: Units Unit Cost Inventory, September 1 100 $6.00 Purchases: September 8 450 7.00 September 18 450 8.00 A physical inventory on September 30 shows 280 units on hand. Calculate the value of ending inventory and cost of goods sold if the company uses LIFO inventory costing and a periodic inventory system. Ending inventory $ 1360 Cost of goods sold $ 5110