Chapter 8: Standard Costs and Variances PA12. LO 8.4 ABC Inc. spent a total of $48,000 on factory overhead. Of this, $28,000 was fixed overhead. ABC Inc. had budgeted $27,000 for fixed overhead. Actual machine hours were 5,000. Standard hours for units made were 4,800. The standard variable overhead rate was $4.10. What is the variable overhead rate variance? Solution