Tharaldson Corporation makes a product with the following standard costs:

	Standard Quantity or Hours			Standard Price or Rate			Standard Cost Per Unit
Direct materials		6.0	ounces	$	9.00	per ounce	$	54.00
Direct labor		0.7	hours	$	11.00	per hour	$	7.70
Variable overhead		0.7	hours	$	9.00	per hour	$	6.30

The company reported the following results concerning this product in June.

Originally budgeted output		3,600	units
Actual output		3,200	units
Raw materials used in production		21,000	ounces
Purchases of raw materials		20,900	ounces
Actual direct labor-hours		5,000	hours
Actual cost of raw materials purchases	$	42,100
Actual direct labor cost	$	13,600
Actual variable overhead cost	$	3,800

The company applies variable overhead on the basis of direct labor-hours. The direct materials purchases variance is computed when the materials are purchased.

The materials quantity variance for June is: