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 4,800 machine-hours, Budgeted and actual overhead costs for the month appear below: Original Budget Based on 4,800 Machine-Hours Actual Costs $12,000 43,200 $13,030 45,750 Variable overhead costs: Supplies Indirect labor Fixed overhead costs: Supervision Utilities Factory depreciation Total overhead cost 20,900 7,100 8,100 $91,300 20,540 7,090 8,410 $94,820 The company actually worked 5,120 machine-hours during the month. The standard hours allowed for the actual output tvere 5,110 machine hours for the month. What was the overall variable overhead efficiency variance for the month? (Round your intermediate calculations to 2 decimal places.)