Mayor Medical Clinic measures its activity in terms of patient-visits. Last month, the budgeted level of activity was 1,030 patient-visits and the actual level of activity was 1,060 patient-visits. The cost formula for administrative expenses is $5.00 per patient-visit plus $19,000 per month. The actual administrative expense was $21,600. In the clinic's performance report for last month, the spending variance for administrative expenses was: Select one: A. $1880 F B. $2210 U C. $300 F D. $2700 F