Camelot Industries has three service departments: corporate wide advertising; legal; and human resources that are respectively allocated based on revenue, usage, and number of employees. Allocation information regarding all the departments is: Required: Using the step-down method, compute the costs allocated to each operating department. Assume human resource costs are allocated to the advertising and legal departments, along with departments A, B and C and, subsequently, legal costs are allocated to advertising and departments A, B and C. Advertising is not allocated to any other service department