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: Machine-hours Labor-hours Department direct costs Maintenance Personnel Printing 1,000 500 $12,000 $15,000 eveloping 3,000 2,000 1,000 500 5,000 $10,000 Required: Use the direct method to allocate these service department costs to the operating departments. (Negative amounts should be indicated by a minus sign. Do not round intermediate calculations.) Maintenance Personnel Printing Developing Service department costs Maintenance allocation Personnel allocation Total costs allocated 0 $ o $ 0 $