Ferris company began 2018 with 6,000 units of its principal product. the cost of each unit is $7. merchandise transactions for the month of january 2018 are as follows: purchasesdate of purchase units unit cost* total costjan. 10 5,000 $ 8 $ 40,000jan. 18 6,000 9 54,000totals 11,000 94,000*includes purchase price and cost of freight. salesdate of sale unitsjan. 5 3,000jan. 12 2,000jan. 20 4,000total 9,0008,000 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.

Jiffy printing shops does a lot of printing job for college students. the shop use an average of 25 cases of copy paper each day during the 312 days last year. the shop opens 6 days a week for 52 weeks each year and closes on sundays. each case of paper costs $35. it conducts a count of its paper inventory at the end of every quarter of the year. the table below shows the inventory counting records for last year. inventory end of quarter 1 700 cases end of quarter 2 1,050 cases end of quarter 3 920 cases end of quarter 4 800 cases 1. what's jiffy's cost of goods sold last year? 2. what's jiffy's average aggregate inventory value? 3. what's jiffy's inventory turnover last year? 4. what is the printing shop's weeks of supply last year?