Deschamp Corporation”s variable manufacturing overhead is applied on the basis of direct labor hours. The company has established the following variable manufacturing overhead standards for product O28H:

Standard direct labor hours

2.5 hours per unit of O28H

Standard variable manufacturing overhead rate

$7.70 per hour

The following data pertain to the most recent month’s operations during which 2,160 units of product O28H were made:

Actual direct labor hours worked

5,200

Actual variable manufacturing overhead incurred

$44,980

Required:

a. What was the variable overhead spending variance for the month?

b. What was the variable overhead efficiency variance for the month?