Ferris Company began 2016 with 6,000 units of its principal product. The cos of each unit is $8. Merchandise transactions for the month of January 2016 are as follows Purchases Dat of PurchaseUnits Unit Cost Totai Coat Total Cost $45,000 60.000 $105000 Unit Cost. Jan. 10 Jan. 18 Totals 5,000 6.000 11000 10 Sales Date of Sale Units Jan. 5 Jan. 12 Jan. 20 3,000 2,000 4.000 Total 8,000 units were on hand at the end of the month. Required: Calculate January's ending inventory and cost of goods sold for the month using each of the following alternatives: 1. FIFO, periodic systenm 2. LIFO, periodic system 3. LIFO, perpetual system 4. Average cost, periodic system 5. Average cost, perpetual system