Radon Corporation manufactured 41,100 units during March. The following foed overhead data pertain to March: Production Machine-hours Fixed overhead costs for March Actual 41,100 units 11,575 hours $294,300 Static Budget 38,000 units 11,400 hours $285,000 What is the fixed overhead production - volume variance? O A $9,300 unfavorable O B. $23,250 favorable O c. $23,250 unfavorable OD. $9,300 favorable