Wadding Corporation applies manufacturing overhead to products on the basis of standard machine-hours. For the most recent month, the company based its budget on 4,300 machine-hours. Budgeted and actual overhead costs for the month appear below: Original Budget Based on 4,300 Machine-Hours Actual Costs $11,800 35,500 $12,530 38,500 Variable overhead costs: Supplies Indirect labor Fixed overhead costs: Supervision Utilities Factory depreciation Total overhead cost 20,400 6,600 7,600 $81,900 20,040 6,540 7,910 $85,520 The company actually worked 4,440 machine-hours during the month. The standard hours allowed for the actual output were 4,430 machine-hours for the month. What was the overall variable overhead efficiency variance for the month? (Round your intermediate calculations to 2 decimal places.)