Corporation makes a product with the following standard costs:

	Standard Quantity or Hours		Standard Price or Rate		Standard Cost Per Unit
Direct materials	6.4	ounces	$ 3.00	per ounce	$ 19.20
Direct labor	0.7	hours	$ 19.00	per hour	$ 13.30
Variable overhead	0.7	hours	$ 3.00	per hour	$ 2.10

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

Originally budgeted output	4,700	units
Actual output	5,200	units
Raw materials used in production	30,400	ounces
Actual direct labor-hours	2,100	hours
Purchases of raw materials	32,800	ounces
Actual price of raw materials	$ 87.10	per ounce
Actual direct labor rate	$ 77.60	per hour
Actual variable overhead rate	$ 2.40	per hour

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 February is: