3. Platinum Co. (above) is considering using a predetermined overhead rate based on capacity. Capacity of the factory 64,000 Machine hours Manufacturing OH cost at the capacity f256,000 If Platinum used the capacity based predetermined rate to apply manufacturing overhead cost, calculate the over or under-applied overhead cost for the month of July: A. Underapplied by f11,600 B. Overapplied by f11,600 C. Underapplied by $8,000 D. Overapplied by 18,000 E. None of the above