The Littlefield Company applies manufacturing overhead costs to products on the basis of direct labor-hours. The standard cost card shows that 12 direct labor-hours are required per unit of product. For August, the company budgeted to work 360,000 direct labor-hours and to incur the following total manufacturing overhead costs:

Total fixed overhead costs$475,200

Total variable overhead costs$396,000

During August, the company completed 28,000 units of product, worked 344,000 direct labor-hours, and incurred the following total manufacturing overhead costs:

Total fixed overhead costs$461,200

Total variable overhead costs$395,600

The denominator activity in the predetermined overhead rate is 360,000 direct labor-hours. (Note that this is the same data that was provided for the previous question.) The variable overhead efficiency variance for August is: