Pippin Inc. has provided the following data concerning one of the products in its standard cost system. Variable manufacturing overhead is applied to products on the basis of direct labor-hours. InputsStandard Quantity or Hours per Unit of OutputStandard Price or Rate Direct materials 5.0grams$7.00per gram Direct labor 0.30hours$21.30per hour Variable manufacturing overhead 0.30hours$9.60per hour The company has reported the following actual results for the product for June: Actual output 8,500units Raw materials purchased 48,100grams Actual price of raw materials$7.70per gram Raw materials used in production 42,490grams Actual direct labor-hours 2,300hours Actual direct labor rate$21.70per hour Actual variable overhead rate$9.80per hour The variable overhead efficiency variance for the month is closest to: