The following data appear in the company records for the current period: Maintenance Machine-hours Personnel 1,300 Labor-hours 900 Printing 1,300 900 Developing 3,900 3,100 Department direct costs $3,600 $13,600 $15,200 $11,600 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.) Service department costs Maintenance Maintenance Personnel Printing Developing Personnel Total costs allocated $ 0 $ 0 $ 0 $ 0