A company began January with 6,000 units of its principal product. The cost of each unit is $8. Inventory uransactions for the month of January are as follows: - Includes purchase priceland cost of freight. 8,000 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. ote: Round average cost 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. Note: Round average cost per unit to 4 decimal places. Enter sales with a negative sign