PLEASE SHOW ALL STEPS. I NEED HELP ON UNDERSTANDING THE PROCESS

Madison Park Co-op, a whole foods grocery and gift shop, has provided the following data to be used in its service department cost allocations: Required: Using the step-down method, allocate the costs of the service departments to the two operating departments. Allocate Administration first on the basis of employee-hours and then Janitorial on the basis of space occupied. (Please enter allocations from a department as negative and allocations to a department as positive. The line should add across to zero. Do not round intermediate calculations. Round your answers to the nearest dollar amount