D Company, a car dealer, reported the following March purchases and sales of car batteries.

The company uses the perpetual inventory system.

Date		Purchased		Units Sold
March		No Units	Unit Cost	No Units	Unit Cost
1	Beginning Inventory	15	3,000
10	Sales			9	5,000
20	Purchases	22	3,500
25	Sales			18	6,000
30	Purchases	9	3,750
	Total	46		27
	The ending inventory for specific identification follows:	Units
	March 30 purchases	8
	March 20 purchases	10
	March 1	1

Determine the following for the month of March using, specific identification, weighted average, and FIFO.

1. Cost of ending inventory

2. Cost of Goods Sold

3. Gross profit