Ferris Company began January with 8,000 units of its principal product. The cost of each unit is $6. Merchandise transactions for the month of January are as follows: Date of Purchase Jan. 10 Jan. 18 Totals Units 6,000 8,000 14,000 Purchases Unit Cost $ 7 8 Total Cost $ 42,000 64,000 106,000 * Includes purchase price and cost of freight sales Date of Sale Jan. 5 Jan. 12 Jan. 20 Total Units 4,000 2,000 4,000 10,000 12,000 units were on hand at the end of the month. . Calculate January's ending inventory and cost of goods sold for the month using Average cost perpetual system. (Roui most per unit to 4 decimal places. Enter sales with a negative sign.) 5. 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.) Cost of Goods Sold Perpetual Average Inventory on hand Cost per of units Inventory unit Value of units Avg. Cost sold Cost of Goods Sold per unit S 0 0 0 0 0 0 Beginning inventory 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 D 0 0 0 0 0 0 0 0 S 0 S