Blackstone Tools produced 12,000 electric drills during 20X4. Expected production was only 10,500 drills. The companys fixed-overhead rate is $7 per drill. Absorption-costing operating income for the year is $18,000, based on sales of 11,000 drills. 1. Compute a. Budgeted fixed overhead b. Production-volume variance c. Variable-costing operating income 2. Reconcile absorption-costing operating income and variable-costing operating income.Include the amount of the difference between the two and an explanation for the difference