i dant seem to fet the right answer. please help.

Required information [The following information applies to the questions displayed below] A company began January with 7.000 units of its principal product. The cost of each unit is $9. Inventory transactions for the month of January are as follows. * Includes purchase price and cost of freight 12000 units were on hand at the end of the month. Required: 1. Calculate January's ending inventory and cost of goods sold for the month using FFO. periodic system