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 4,900 machine-hours. Budgeted and actual overhead costs for the month appear below: The company actually worked 5,000 machine-hours during the month. The standard hours allowed for the actual output were 4,990 machine-hours for the month. What was the overall variable overhead efficiency variance for the month? (Round your intermediate calculations to 2 decimal places.) $440 Favorable \$116 Unfavorable $310 Favorable \$437 Favorable