University Printers has two service departments (Maintenance and Personnel) and two operating departments (Printing and Developing). Management has decided to allocate maintenance costs on the basis of machine-hours in each department and personnel costs on the basis of labor-hours worked by the employees in each. The following data appear in the company records for the current period: Maintenance Personnel 1,200 Machine-hours Labor-hours Department direct costs 600 $2,100 Printing 1,600 400 $13,600 Developing 3,200 2,000 $10,500 $12,000 Required: Allocate the service department costs using the step method, starting with the Maintenance Department. (Negative amounts should be indicated by a minus sign. Do not round intermediate calculations.) Maintenance Personnel Printing Developing Service department costs Maintenance Personnel Total costs allocated