ison Company's production costs for April are: direct labor, $13,000; indirect labor, $6,500; direct materials, $15,000; property taxes on production facility, $800; factory heat, lights and power, $1,000; and insurance on plant and equipment, $200. Bison Company's factory overhead incurred for April is: Multiple Choice O $6,500 $21,500. $2,000 $8.500 $36,500.