Marlow Company uses a perpetual inventory system. it entered into the following calendar year 2011 purchases and sales transactions.
Jan 1. Beginning inventory 600 units @ $44/unit
Feb 10. purchase 200 units @ $40 unit
Mar 13. purchase 100 units @ $20 unit
Mar 15. Sales 400 units @ $75 unit
Aug 21 purchase 160 units @ $60 unit
Sept 5. purchase 280 units @ $ 48 unit
Sept 10. sales 200 units @ $ 75 unit
Totals 1,340 units 600 units
1. compute cost of goods available for sale and the number of units available for sale
2. compute the number of units in ending inventory
3. compute the cost assigned to ending inventory using a. FIFO, b. LIFO, C. specific indentification- units sold consist of 500 units from beginning inventory and 100 units from the march 13 purchase, and d. weighted aveage. round per unit costs to three decimals, but inventory balances to the dollar.
4. compute gross profit earned by the company for each of the four costing methods in part 3.