Russo Corporation manufactured 22,000 air conditioners during November. The overhead cost - allocation base is $30.75 per machine - hour. The following variable overhead data pertain to November: Production Actual 22,000 units 15,675 hours $30.00 Budgeted 24,000 units 16,800 hours $30.75 Machine - hours Variable overhead cost per machine - hour What is the total variable overhead variance? A. $8,456.25 favorable B. $3,300.00 favorable C. $3,300.00 unfavorable D. $8,456.25 unfavorable