Paradiso Medical Clinic measures its activity in terms of patient-visits. Last month, the budgeted level of activity was 1,260 patient-visits and the actual level of activity was 1,250 patient-visits. The cost formula for administrative expenses is $5.00 per patient-visit plus $27,000 per month. The actual administrative expense was $25,300. In the clinic's performance report for last month, the spending variance for administrative expenses was: