In October, Harry Company reports 21,000 actual direct labor hours, and it incurs $115,000 of manufacturing overhead costs. Standard hours allowed for the work done is 20,000 hours. The predetermined overhead rate is $6 per direct labor hour. In addition, the flexible manufacturing overhead budget shows that budgeted costs are $4 variable per direct labor hour and $50,000 fixed. Compute the overhead volume variance. Normal capacity is 25,000 direct labor hours. $