Auduon, incorporated uses a predetermined factory overhead rate based on machine-hours. For October, Audubon recorded $5,300 in overapplied overhead, based on 34.900 actual machine-hours worked and actual manufacturing overhead incurred of $599,517 Audubon estimated manufacturing overhead for October to be $568.424 Required: What was the estimated number of machine-hours Audubon expected in October? Note: Do not round intermediate calculations