Express Company has beginning inventory on Jan 1st of 150 units at a cost of $20 per unit. During the year, the
following transactions were made:
	March 14th -	400 units purchased at $23 per unit
	July 20th -	250 units purchased at $24 per unit
	Aug 1st -	600 units were sold
	Sept 4th -	350 units purchased at $26 per unit
	Oct 1st -	450 units were sold
	Dec 2nd -	100 units purchased at $29 per unit
Show the total of Cost of Goods Sold and Ending Inventory using FIFO, LIFO, and Weigh Averaged Methods