Dynamo Building Supply Company's Management Is Calculating the Variable Overhead

Dynamo Building Supply Company's management is calculating the variable overhead flexible-budget variance for 2012.The actual variable overhead costs incurred amounted to $245,000 while the flexible budgeted amount was $230,000.
Required
Compute the variable overhead flexible-budget variance for Dynamo Building Supply Company and identify whether the variance is favorable,F,or unfavorable,U.

A) $575,000;U
B) $15,000;F
C) $15,000;U
D) $575,000;F
E) $56,350;U