Auduon, Incorporated uses a predetermined factory overhead rate based on machine-hours. For October, Audubon recorded $6,500 in overapplied overhead, based on 36,100 actual machine-hours worked and actual manufacturing overhead incurred of $623,445. Audubon estimated manufacturing overhead for October to be $593,300. Required: What was the estimated number of machine-hours Audubon expected in October? Note: Do not round intermediate calculations