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164) Birkland Incorporated makes a single product—a critical part used in commercial airline
seats. The company has a standard cost system in which it applies overhead to this product based
on the standard labor-hours allowed for the actual output of the period. Data concerning the most
recent year appear below:
Budgeted (Planned) Overhead:
Budgeted variable manufacturing overhead
Budgeted fixed manufacturing overhead
Total budgeted manufacturing overhead
Standard hours per unit (b)
Standard hours per unit (b)
Standard hours allowed for the actual production (a) × (b)
Actual Overhead and Hours:
Actual variable manufacturing overhead
Actual fixed manufacturing overhead
Total actual manufacturing overhead
Actual variable overhead rate
Required:
a. Compute the variable component of the company’s predetermined overhead rate.
b. Compute the fixed component of the company’s predetermined overhead rate.
c. Compute the company’s predetermined overhead rate.
d. Determine the variable overhead rate variance for the year.
e. Determine the variable overhead efficiency variance for the year.
f. Determine the fixed overhead budget variance for the year.
g. Determine the fixed overhead volume variance for the year.