Thomlin Company forecasts that total factory overhead for the current year will be $11,808,000 with 164,000 total machine hours. Year to date, the actual overhead is $7,507,500, and the actual machine hours are 97,500 hours. If Thomlin Company uses a predetermined factory overhead rate based on machine hours for applying overhead, as of this point in time (year to date), the overhead is a. $487,500 underapplied Ob. $332,500 overapplied Oc. $487,500 overapplied Od. $332,500 underapplied