Flounder Company's inventory records show the following data for the month of September: Units Unit Cost Inventory. September 1 100 $2.80 Purchases: September 8 455 3.00 September 18 280 3.75 A physical inventory on September 30 shows 160 units on hand. Calculate the value of ending inventory and cost of goods sold if the company uses FIFO inventory costing and a periodic inventory system. Ending inventory 525 Cost of goods sold $ 2170