help please

The company uses the step down method to allocate service department costs to operating deparments. service departements A cost are allocated first on the basis if allocation base A and service deparment B cost are allocated secon on the basis of allocation base B

Required: allocated the service deparemtn cost to the operating deparmente using the step down method.

Service Department Operating Department Service Service Operating Department Department Department Operating B Department Y Departmental costs Allocation base A Allocation base B $31,280 4,000 6,000 $55,640 1,000 2,000 $161,490 26,000 30,000 $399,350 19,000 2,000