1. Calculate January's ending inventory and cost of goods sold for the month using FIFO, periodic system.

2. Calculate January's ending inventory and cost of goods sold for the month using LIFO, periodic system.

3. Calculate January's ending inventory and cost of goods sold for the month using FIFO, perpetual system.

4. Calculate January's ending inventory and cost of goods sold for the month using Average cost, periodic system.

5. Calculate January's ending inventory and cost of goods sold for the month using Average cost, perpetual system.

Thank you.

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: Date of Purchase Jan. 10 Jan. 18 Units 6,000 9,000 15,000 Purchases Unit Cost $ 6 7 Total Cost $36,000 63,000 99,000 Totals * Includes purchase price and cost of freight. Sales Date of Sale Jan. 5 Jan. 12 Jan. 20 Total Units 5,000 3,000 6,000 14,000 10,000 units were on hand at the end of the month