The following information is available for the Danske Company: Denominator hours for May Actual hours worked during May Standard hours allowed for May Flexible budget fixed overhead cost Actual fixed overhead costs for May 19,500 21,200 15,600 $135,000 $ 138,000 Danske Company had total underapplied overhead of $18,600. Additional information is as follows: Variable Overhead: Applied based on standard direct labor hours allowed Budgeted based on standard direct labor hours Fixed Overhead: Applied based on standard direct labor hours allowed Budgeted based on standard direct labor hours $78,000 41,600 $66,000 30,600 Is the production volume variance favorable or unfavorable