The following information is available from Swinney Company for December:

Total factory overhead incurred ..............$40,000

Variable overhead expenses, incurred .............$24,150

Fixed overhead expenses, budgeted ............$18,000

Direct labor hours (DLH) worked ............. 4,200

Standard direct labor hours allowed for the units manufactured .. 4,000

Practical capacity, in direct labor hours ........... 4,500

Standard variable overhead rate per DLH .......... $5.00

Swinney uses direct labor hours to apply factory overhead.

Required

Use the framework presented in Exhibit 15.7 to compute the following for the month of

December:

1. Variable overhead spending variance.

2. Variable overhead efficiency variance.

3. Fixed overhead spending (budget) variance.

4. Fixed overhead production-volume variance.

5. Total overhead variance.