Nordic Industries uses a periodic inventory system. During its first month of operations, Nordic Industries purchased inventory as follows: January 3 January 12 January 20 January 25 Units 150 200 250 300 900 Unit Cost Total Cost $15 $ 2,250 20 4,000 20 5,000 9,000 $20,250 30 There were 100 units in ending Inventory on January 31. Under the LIFO cost method, what is the cost of goods sold for January? Multiple Choice $18.750 $18,000 $17.250 $19.500