The Thomlin Company forecasts that total overhead for the current year will be $11,336,000 with 181,000 total machine hours. Year to date, th overhead is $7,802,000 and the actual machine hours are 85,000 hours. The predetermined overhead rate based on machine hours is Round the factory overhead rate to the nearest dollar before multiplying by the number of hours. Oa. $43 per machine hour Ob. $63 per machine hour Oc. $92 per machine hour Od. $133 per machine hour