Tharaldson Corporation makes a product with the following standard costs:

	Standard Quantity or Hours		Standard Price or Rate		Standard Cost Per Unit
Direct materials	5.7	ounces	$ 2.00	per ounce	$ 11.40
Direct labor	0.2	hours	$ 11.00	per hour	$ 2.20
Variable overhead	0.2	hours	$ 6.00	per hour	$ 1.20

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

Originally budgeted output	3,900	units
Actual output	3,500	units
Raw materials used in production	22,500	ounces
Purchases of raw materials	21,800	ounces
Actual direct labor-hours	530	hours
Actual cost of raw materials purchases	$ 42,600
Actual direct labor cost	$ 13,900
Actual variable overhead cost	$ 3,850

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 variable overhead rate variance for June is:

$682 U

$682 F

$670 F

$670 U