Warren Ltd has two production departments Building A and Building B and two service departments Maintenance and Cafeteria Direct costs for each department and the proportion of service costs used by the various departments for the month of June follow Proportion of Services Used by DepartmentDirect CostsMaintenanceCafeteriaBuilding ABuilding B Building A500000 Building B 317000 Maintenance 207000 02 04 04 Cafeteria 152000 07 02 01 Required Use the reciprocal method to al