Thomlin Company forecasts that total overhead for the current year will be $11,544,000 with 156,000 total machine hours. Year to date, the actual overhead is $6,837,600, and the actual machine hours are 88,800 hours. If Thomlin Company uses a predetermined overhead rate based on machine hours for applying overhead, as of this point in time (year to date), the overhead is

a.$266,400 underapplied

b.$201,600 underapplied

c.$266,400 overapplied

d.$201,600 overapplied