Radical Corporation manufactured 37,500 units during March. The cost allocation base is machine-hours. The following fixed overhead data pertain to March: Actual Static Budget Production 37,500 units 34,000 units Machine-hours 10,375 hours 10,200 hours Fixed overhead costs for March $213,200 $204,000 Assume that the firm uses a standard costing system. What is the fixed overhead production-volume variance? a.$9,200.00 favorable b. $21,000.00 unfavorable $21,000.00 favorable $.$9,200.00 untavorable C