Ferris Company began 2018 with 6,000 units of its principal product. The cost of each unit is $8. Merchandise transactions for the month of January 2018 are as follows Purchases Unit Cost* Total Cost Date of Purchase Jan. 10 Jan. 18 Units 5,000 6,000 11,000 45,000 60,000 105,000 10 Totals *Includes purchase price and cost of freight. Sales Date of Sale Jan. 5 Jan. 12 Jan. 20 Units 3,000 2,000 4,000 9,000 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 system 2. LIFO, periodic system 3. LIFO, perpetual system 4. Average cost, periodic system 5. Average cost, perpetual system Complete this question by entering your answers in the tabs below. Required Required Required Required Required 3 2 4 5 Complete this question by entering your answers in the tabs below. Required Required Required Required Required 4 Calculate January's ending inventory and cost of goods sold for the month using Average cost, perpetual system. (Round average cost per unit to 4 decimal places. Enter sales with a negative sign.) Inventory on hand #of units per Cost of Goods Sold #of Cost Perpetual Average Inventory Value units Avg.Cost Cost of Goods Sold unit sold per unit Beginning Invento Sale - January 5 Subtotal Average Cost Purchase - January 10 Subtotal Average Cost Sale - January 12 Subtotal Average Cost Purchase - January 18 Subtotal Average Cost Sale - January 20 Total 0 0 Required 4 Required 5