EXERCISE ON JOC



Woody S.p.A. produces high quality wooden toys.

The company has three production departments:

  • preparation department
  • machining department
  • finishing department

Budgeted overhead costs for the next month are expected to be as follows:

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Rent 1.000 €
Electricity to power machines 100 €
Cleaning 60 €
Machine depreciation 200 €


Furthermore, salaries of each of the indirect workers are as follows:

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Preparation department 2.000 €
Machining department 2.400 €
Finishing department 1.800 €


There are indirect workers within each of the three departments and none of them does any direct work.
Each department counts also direct workers (specifically, 6 workers in the preparation department, 9 in the machining department and 5 in the finishing department).
Each of them is expected to work 160 hours the following month and they are paid 12 € an hour.
All of the machinery is in the machining department.
Machines are expected to operate for 1.000 hours the following month.
The floor space (in square meters) occupied by the departments is as follows:

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Preparation department 15.000 m2
Machining department 20.000 m2
Finishing department 5.000 m2


You are required:

  • To calculate the total overhead in each department
  • Assume that the machining department overheads are to be charged to jobs on a machine hour basis, but that the direct labor hour basis is to be used for the other two departments.
    What will be the full cost of a job with the following characteristics?

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Preparation Machining Finishing
Direct labor hours 10 7 5
Machine hours - 8 -
Direct materials 85 € 13 € 6 €