ABC Corporation uses a standard cost system, applying manufacturing overhead on the basis of machine hours. The company's overhead standards per unit are shown below. Variable overhead: 4 hours at $9 per hour Fixed overhead: 4 hours at $6* per hour *Based on planned monthly activity of 120,000 machine hours Actual data for May were: Number of units produced: 29,000 Number of machine hours worked: 125,000 Variable overhead costs incurred: $1,085,000 Fixed overhead costs incurred: $785,000 Required: - Calculate the following and indicate whether a variance is favorable "F" or unfavorable "U" A. The spending variance for variable overhead. B. The efficiency variance for variable overhead. C. The budget variance for fixed overhead. D. The volume variance for fixed overhead. [C