Your audit client has 2,000 units in ending inventory recorded at $20,000. The most recent acquisition of inventory consist of the following:

Date	# of items	$ Price per item
Dec 21	1,000	$10
Nov 30	800	$9.50
Nov 13	800	$9.00

Using the FIFO method for inventory valuation, the inventory error at the end of the period (if any) is:

A- $0; no overstatement or understatement

B- an overstatement error of $600

C- an understatement error of $600

D- an overstatement error of $1,200

E- an understatement error of $1,200