13.) A firm's static budget predicted $250,000 in fixed overhead costs. The firm's PDOH is $40 per machine hour, 75% of which was for variable overhead. The firm's actual machine hours were 24,000. The firm's actual fixed overhead costs were $265,000. What is the firm's fixed overhead volume variance? (Round final answer to cent) a.$25,000 unfavorable b.$25,000 favorable c.$10,000 favorable d.$10,000 unfavorable.