Ferris Company began 2018 with 5,000 units of its principal product. The cost of each unit is $8. Merchandise transactions for the month of January 2018 are as follows: Purchases Unit Cost* Total Cost Date of Purchase Units S 9 Jan. 10 3,000 $27,000 Jan. 18 5,000 10 50,000 8,000 77,000 Totals *Includes purchase price and cost of freight. Sales Units Date of Sale Jan. 5 2,000 Jan. 12 1,000 Jan. 20 3,000 Total 6,000 7,000 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. Complete this question by entering your answers in the tabs below. Required 1 Required 2 Required 3 Required 4 Required 5 Calculate January's ending inventory and cost of goods sold for the month using FIFO, periodic system