Exercise 7-40 (Algo) Calculating Expected Activity Using the Predetermined Overhead Rate (LO 7-3) Auduon, incorporated uses a predetermined factory overhead rate based on machine-hours. For October, Audubon recorded $5,300 in overappled overhead, based on 34,900 actual machine-hours worked and actual manufacturing overbesd incurred of $599,517 Audubon estimated manufactung overhead for October to be 3568,424. Required: What was the estimated number of machine-hours Audubon expected in October? Note: Do not round intermediate calculations