Question
Opticon Ltd is developing departmental overhead rates based on machine hours for its moulding department and direct labour hours for its assembly department. The moulding
Opticon Ltd is developing departmental overhead rates based on machine hours for its moulding department and direct labour hours for its assembly department. The moulding department has 20 machines that each run for 2 000 hours per year. The assembly department employs 80 people, who each work 2 000 hours per year. The production-related overhead costs distributed to the moulding and assembly departments are budgeted at $500 000 and $740 000, respectively. Two support departments, repairs and engineering, directly support the two production departments, moulding and assembly. These support departments have budgeted costs of $100 000 and $580 000, respectively. The production departments' overhead rates cannot be determined until the support department costs are allocated. The following schedule reflects use of the output of the repairs and engineering departments by the various departments.
User departments
Support departments Repairs Engineering Moulding Assembly
Repairs (repair hours) 0 2 000 3 000 15 000
Engineering (kilowatt hours) 250 000 0 850 000 150 000
Required:
1.(a) Calculate the overhead rates per machine hour for the moulding department and per direct labour hour for the assembly department. Use the direct method to allocate support department costs.
(b) Estimate the overhead cost of a doodad, which is produced using 3 machine hours in the moulding department and 5 labour hours in the assembly department.
2.(a) Calculate the overhead rates per machine hour for the moulding department and per direct labour hour for the assembly department. Use the step-down method to allocate support department costs. Allocate the repairs department costs first.
(b) Now estimate the overhead cost of the doodad using the overhead rates estimated in part 2(a).
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