1. FIFO PERIODIC SYSTEM

2. LIFO PERIODIC SYSTEM

3. LIFO PERPETUAL SYSTEM

4. AVERAGE COST, PERIODIC SYSTEM

5. AVERAGE COST PERPETUAL SYSTEM

Ferris Company began 2016 with 5,000 units of its principal product. The cost of each unit is $6. Merchandise transactions for the month of January 2016 are as follows: Purchases Date of Purchase Units Unit Cost Total Cost 6,000 7 $42,000 Jan. 10 5,000 40,000 Jan. 18 11,000 Totals $82,000 *Includes purchase price and cost of freight. Sales Date of Sale Units Jan. 5 3,000 Jan. 12 3,000 Jan. 20 4,000 Total 10,000 6,000 units were on hand at the end of the month. Required: Calculate January's ending inventory and cost of goods sold for the month using each of the following alternatives