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 1,000 Machine-hours Labor-hours Department direct costs Printing 1,000 500 $45,600 Developing 3,000 2,000 $34,500 500 $16,500 $38,250 University Printers estimates that the variable costs in the Personnel Department total $18,500 and in the Maintenance Department variable costs total $7,500. Avoidable fixed costs in the Personnel Department are $5,100. Required: If University Printers outsources the Personnel Department functions, what is the maximum it can pay an outside vendor without increasing total costs? (Do not round intermediate calculations.) Maximum Amount