A manufacturing company applies factory overhead based on direct labor hours. At the beginning of the year, it estimated that factory overhead costs would be $414,340 and direct labor hours would be 41,434. Actual factory overhead costs incurred were $514,800, and actual direct labor hours were 53,625. What is the amount of overapplied or underapplied manufacturing overhead at the end of the year? Oa. $21.450 overapplied Ob. $21,450 underapplied Oc. $121,910 underapplied Od. S536,250 overapplied