Thomlin Company forecasts that total factory overhead for the current year will be $13,690,000 with 185,000 total machine hours. Year to date, the actual overhead is $6,696,000, and the actual machine hours are 93,000 hours. The predetermined factory overhead rate based on machine hours is a. $147 per machine hour b. $36 per machine hour c. $74 per machine hour d. $72 per machine hour