Nordic Industries uses a periodic inventory system. During its first month of operations, Nordic Industries purchased inventory as follows: Unit Cost $15 January 3 January 12 January 20 January 25 Units 150 200 250 20 20 Total Cost $ 2,250 4,000 5,000 9,000 s20.250 300 30 900 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 O $17.250 O O $18,000 $19,500 $6,000 $8,750