Bartosiewicz Clinic uses client-visits as its measure of activity. During January, the clinic budgeted for 3,500 client-visits, but its actual level of activity was 3,490 client-visits. The clinic has provided the following data concerning the formulas used in its budgeting and its actual results for January: Data used in budgeting: Revenue Personnel expenses Medical supplies Occupancy expenses Administrative expenses Total expenses Actual results for January: Revenue Personnel expenses Fixed element Variable element per month $ 0 per client-visit $ 38.20 $ 33,600 $ 11.00 1,900 6.20 10,200 1.90 6,600 0.30 $ 52,300 $ 19.40 Medical supplies Occupancy expenses Administrative expenses $ 127,218 $ 71,860 $ 24,058 $ 17,371 $ 7,547 The net operating income in the flexible budget for January would be closest to: