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 $339,000 and direct labor hours would be 43,500. Actual manufacturing overhead costs incurred were $318,500, and actual direct labor hours were 52,400. What is the predetermined overhead rate per direct labor hour? Oa. $9.35 Ob. $11.69 Oc. $7.79 Od. $6.23