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 efficiency variance for June is: Multiple Choice $6.900 F $6,440 U $6.900 $6.440 F 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 efficiency variance for June is: Multiple Choice $6.900 F $6,440 U $6.900 $6.440 F