Ferris Company began January with 9,000 units of its principal product. The cost of each unit is $5. Merchandise transactions for the month of January are as follows: Purchases Date of Purchase Units Unit Cost+ Total Cost Jan. 10 6, 000 $ 6 $36, 000 Jan. 18 9, 000 63, 000 Totals 15,000 99, 000 * Includes purchase price and cost of freight. Sales Date of Sale Units Jan. 5 5, 000 Jan. 12 3, 000 Jan. 20 6, 000 Total 14, 000 10,000 units were on hand at the end of the month.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.) Inventory on hand Cost of Goods Sold Perpetual Average # of units Cost per Inventory # of units Avg.Cost Cost of unit Value sold per unit Goods Sold Beginning Inventory 9,000 5.0000 45,000 Sale - January 5 5.0000 Subtotal Average Cost 9,000 5.0000 45,000 Purchase - January 10 6.000 6.0000 36,000 Subtotal Average Cost 15,000 81,000 Sale - January 12 Subtotal Average Cost 15,000 81,000 Purchase - January 18 9,000 7.0000 63,000 Subtotal Average Cost 24,000 144,000 Sale - January 20 0 Total 24,000 $ 144,000 0