gumbel company

The following information is available for Gumbel Comany for 2007: mnh of arch Sold 1300 units @$10 per unit. On 3/01/07-Beginning inventory 600 units@$4 per unit. On 3/15/07-Purchased 900 units @$5 per unit On 3/20/07-Purchased 500 units @ $6 per unit. There are 700 units in Ending Inventory on 3/31/07 Operating Expenses for March are $1000. Income Tax rate 30%. Instructions: Show all work in Good Form. Prepare an Income Statement (including a Cest of Goods Sold Statement) under the following methods and prove the amount methed: allocated to cost of goods sold under each a.) FIFO Method of Inventory: b.) LIFO Method of Inventory