AirPro Corporation reports the following for this period. Actual total overhead Standard overhead applied Budgeted (flexible) variable overhead rate Budgeted fixed overhead Predicted activity level Actual activity level $ 28,325 $ 31,930 $ 2.10 per unit $ 12,900 12,900 units 10,300 units Compute the volume variance and identify it as favorable or unfavorable. Budgeted (flexible) overhead Standard overhead applied Volume variance Volume Variance Unfavorable