Sahara Industries has established the following labor standards for one of its products: Standard hours per unit of output 6.0 hours Standard variable overhead rate $20.00 per hour The following data relate to last month's operations: Actual hours 10,500 hours 1,700 units Actual total variable overhead cost $210,000 Actual output What is the variable overhead efficiency variance for the month?

Sahara Industries has established the following labor standards for one of its products: Standard hours per unit of output 6.0 hours Standard variable overhead rate $20.00 per hour The following data relate to last month's operations: Actual hours 10,500 hours 1,700 units Actual total variable overhead cost $210,000 Actual output What is the variable overhead efficiency variance for the month?