How is the cost - plus price determined?

Hilltop Manufacturing uses a predetermined manufacturing overhead rate based on machine hours to allocate manufacturing overhead to jobs. Selected data about the company's operations follows: Actual manufacturing overhead cost $500,000 Estimated manufacturing overhead cost $550,000 Estimated direct labor cost $175,800 Estimated direct labor hours 50,500 Actual direct labor hours 60,700 Estimated machine hours 40,600 Actual machine hours 35,800 By how much was manufacturing overhead overallocated or underallocated for the year? (Round intermediary calculations to the nearest cont) O A. $64,910 overallocated B. $14,910 underallocated OC. $14,910 overallocated OD. $64,910 underallocated