Fussner Medical Clinic measures its activity in terms of patient-visits. Last month, the budgeted level of activity was 1,700 patient-visits and the actual level of activity was 1,820 patient-visits. The cost formula for administrative expenses is $3.10 per patient-visit plus $19,000 per month. The actual administrative expense was $25,525. Last month, the spending variance for administrative expenses was: $883 U $372 U $1,255 U $1,069 U