Ferris Company began 2013 with 6.000 units of its principal product. The cost of each unit is $8. Merchandise transactions for the month of January 2013 are as follows: Date of Purchase Jan. 10 Jan. 18 Totals Units 5,000 6,000 11,000 "Includes purchase price and cost of breight. Purchases Unit Cost Total Cost $ 9 10 $ 45,000 60,000 $105,000 Sales Date of Sale Units Jan. 5 3,000 Jan. 12 2,000 Jan. 20 4,000 Total 9,000 8.000 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: 1. FIFO, periodic system 2. LIFO, periodic system 3. LIFO, perpetual system 4. Average cost, periodic system 5. Average cost, perpetual system mantion for the quarter ended March 31