Question

Mills Company uses standard costing for direct materials and direct labor. Management would like to use standard costing for variable and fixed overhead.
The following monthly cost functions were developed for overhead items:

Overhead Item Cost Function

Indirect materials $1.00 per DLH

Indirect labor $1.25 per DLH

Utilities $0.50 per DLH

Insurance $10,000

Depreciation $40,000

The cost functions are considered reliable within a relevant range of 20,000 to 40,000 direct labor hours. The company expects to operate at 25,000 direct labor hours per month.
Information for the month of June is as follows:

Actual overhead costs incurred:

Indirect materials $ 20,000

Indirect labor 30,000

Utilities 12,000

Insurance 11,000

Depreciation 40,000

Total $113,000

Actual direct labor hours worked: 24,000

Standard direct labor hours allowed for production achieved: 27,000

Required:

A. Calculate the following overhead rates based upon expected capacity:

1. Variable overhead

2. Fixed overhead rate

3. Total overhead rate

B. Calculate the following variances:

1. Variable overhead spending variance

2. Variable overhead efficiency variance

3. Fixed overhead spending variance

4. Fixed overhead volume variance

Answer

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