Tharaldson Corporation makes a product with the following standard costs:

Standard Quantity or Hours Standard Price or Rate Standard Cost Per Unit

Direct materials 7.0 ounces $ 3.00 per ounce $ 21.00

Direct labor 0.3 hours $ 14.00 per hour $ 4.20

Variable overhead 0.3 hours $ 6.00 per hour $ 1.80

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

Originally budgeted output 2,400 units

Actual output 2,900 units

Raw materials used in production 21,000 ounces

Purchases of raw materials 23,100 ounces

Actual direct labor-hours 550 hours

Actual cost of raw materials purchases $ 45,000

Actual direct labor cost $ 12,400

Actual variable overhead cost $ 3,450

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: