Your Corporation makes a product with the following standard costs:

INPUTS	STANDARD QUANTITY OR HOURS	STANDARD PRICE OR RATE
Direct Materials	5.3 kilos	$ 6.00 per kilo
Direct labor	0.5 hours	$10.00 per hour
Variable Overhead	0.5 hours	$ 4.00 per hour

The company reported the following results concerning this product in August:

Actual output	2,100 units
Raw materials used in production	10,850 kilos
Purchases of raw materials	11,800 kilos
Actual direct labor-hours	1,100 hours
Actual cost of raw materials purchases	$ 73,160
Actual direct labor cost	$ 10,560
Actual variable overhead cost	$ 4,510

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 labor rate variance for August is:

$440 F

$440 U

$420 U

$420 F