Mack Precision Tool and Die has two production departments, Fabricating and Finishing, and two service departments, Repair and Quality Control. Direct costs for each department and the proportion of service costs used by the various departments for the month of March follow:

Department	Direct Costs	Proportion of Services Used by
Repair	Quality Control	Fabricating	Finishing
Fabricating	$ 142,600
Finishing	102,200
Repair	43,800	0	0.3	0.6	0.1
Quality Control	81,800	0.3	0	0.2	0.5

Mack Precision Tool and Die estimates that the variable costs in the Repair Department total $15,225, and in Quality Control variable costs total $39,200. Avoidable fixed costs in the Repair Department are $12,400.

Required:

If Mack Precision Tool and Die outsources the Repair Department, what is the maximum it can pay an outside vendor without increasing total costs?