X Company uses account analysis to estimate total overhead costs for each month, with units produced as the activity measure. In May, when production was 1,000 units, the plant manager classified each overhead cost item as fixed and variable as Cost Item Supplies Utilities Maintenance Total Cost $22,800 $23,000 $21,700 Cost Behavior 100% variable 80% variable 100% fixed If September production is expected to be 1,180 units, what are estimated total overhead costs in September [round unit costs to two decimal places)