Concord Company's inventory records show the following data for the month of September: Units Unit Cost 120 $2.85 Inventory, September 1 Purchases: September 8 September 18 450 3.50 300 3.90 A physical inventory on September 30 shows 150 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 (Round answers to 0 decimal places, e.3.5,275.) Ending inventory $ Cost of goods sold $