Earth Company expects to operate at 65% of its productive capacity of 46,000 units per month. At this planned level, the company expects to use 23,000 standard hours of direct labor. Overhead is allocated to products using a predetermined standard rate based on direct labor hours. At the 65% capacity level, the total budgeted cost includes $36,800 fixed overhead cost and $264,500 variable overhead cost. In the current month, the company incurred $315,000 actual overhead and 29,029 actual labor hours while producing 37,700 units. Compute its total overhead variance.