18.	At May 1, 2017, Heineken Company had beginning inventory consisting of 300 units with a unit cost of $7. During May, the company purchased inventory as follows: 600 units at $7 900 units at $8 The company sold 1,500 units during the month for $12 per unit. Heineken uses the average cost method. The value of Heineken's inventory at May 31, 2017 is
	A)	$2,100
	B)	$2,250
	C)	$2,400
	D)	$13,500