Valera Corporation makes a product with the following standards for labor and variable overhead:

	Standard Quantity or Hours			Standard Price or Rate			Standard Cost Per Unit
Direct labor		0.4	hours	$	21.00	per hour	$	8.40
Variable overhead		0.4	hours	$	6.00	per hour	$	2.40

The company budgeted for production of 5,300 units in July, but actual production was 5,400 units. The company used 2,130 direct labor-hours to produce this output. The actual variable overhead rate was $6.10 per hour. The company applies variable overhead on the basis of direct labor-hours.

The variable overhead rate variance for July is: