Speyer Medical Clinic measures its activity in terms of patient$-$visits. Last month, the budgeted level of activity was $1,090$ patient$-$visits and the actual level of activity was $1,080$ patient$-$visits. The cost formula for administrative expenses is $$3\mathrm{.}30$ per patient$-$visit plus $$18,500$ per month. The actual administrative expense was $$20,200.$ Last month the clinic's spending variance for administrative expenses was:

Multiple Choice

$$1,864$ F

$$670$ F

$$33$ F

$$1,897$ F