Crowe Metals Ltd. Had the following inventory transactions during the month of March.

March1, beginning inventory	3,000 units @ $2.00	$6,000
Week 1 purchases	2,000 units @ $2.10	$4,200
Week 2 purchases	2,000 units @ $2.20	$4,400
Week 3 purchases	1,000 units @ $2.30	$2,300
Week 4 purchases	1,000 units @ $2.50	$2,500

On March 31, a count of the ending inventory was completed and 4,000 units were on hand. By using the perpetual inventory system, calculate the cost of goods sold and ending inventory using the LIFO, FIFO, and weighted-average inventory methods.