19) 17) Sybil Inc. uses a predetermined overhead allocation rate to allocate manufacturing overhead costs to jobs. The company recently completed Job 300X. This job used 12 machine hours and 3 direct labor hours. The predetermined overhead allocation rate is calculated to be $45 per machine hour. What is the amount of manufacturing overhead allocated to Job 300X using machine hours as the allocation base?

A) $540

B) $135

C) $675

D) $405