Becker Company has a perpetual inventory system and uses the LIFO method of inventory costing. Becker reported the following events during the month of June:

		Number of units
date	event	bought	sold	unit price
June 1	beginning inv.	100		$20
3	purchase	75		$21
5	sale		50
10	purchase	140		$22
16	sale		65
21	sale		90
25	purchase	175		$24
30	sale		120

The cost of goods sold for the June 5th sale is:

$1,100

$1,050

$1,025

$1,000