Grubber Candy Corporation has developed standards for the production of its new chocolate, ChocO. The variable cost standards below relate to each 10 gallon batch of ChocO:

	Standard Cost Per Batch
Milk chocolate (2 pounds $0.85 per pound)	$	1.70
Direct labor (1.25 hours $12.00 per hour)	$	15.00
Variable overhead (1.25 hours $44.00 per hour)	$	55.00

Variable manufacturing overhead at Grubber is applied based on direct labor-hours. The actual results for last month were as follows:

Number of batches produced		3,800
Direct labor-hours incurred		4,510
Pounds of chocolate purchased		9,000
Pounds of chocolate used in production		7,880
Cost of chocolate purchased	$	7,200
Direct labor cost	$	53,218
Variable manufacturing overhead cost	$	205,700

What is ChocO's materials (milk chocolate) quantity variance?