Speyer Medical Clinic measures its activity in terms of patient-visits. Last month, the budgeted level of activity was 1,140 patientvisits and the actual level of activity was 1,130 patient-visits. The cost formula for administrative expenses is $3.80 per patientvisit plus $21,000 per month. The actual administrative expense was $21,700. Last month the clinic's spending variance for administrative expenses was: Multiple Choice $3.632F $3.594F $1.420F 538F