Logan Products has two production departments- assembly and finishing. These are supported by two service departments sourcing (purchasing and handling of materials and human resources) and operations (work scheduling supervision, and inspection). Logan has the following labor hours devoted by each of the service departments to the other departments Total Labor Hours Used by Departments Sourcing Operations SourcingOperations 20,000 Assembly Finishing 60,000 50,000 40,000 60,000 10,000 The costs incurred in the plant are as follows: Departmental Costs Departments Sourcing Operations Assembly Finishing Total $ 216,000 290,000 444,000 289,000 $1,239,000