Applying Factory Overhead Keenan Company estimates that total factory overhead costs will be $414,000 for the year. Direct labor hours are estimated to be 23,000. a. For Keenan Company, determine the predetermined factory overhead rate using direct labor hours as the activity base. If required, round your answer to two decimal places. $ per direct labor hour b. During August, Keenan Company accumulated 750 hours of direct labor costs on Job 40 and 600 hours on Job 42. Determine the amount of factory overhead applied to Jobs 40 and 42 in August. $ c. Prepare the journal entry to apply factory overhead to both jobs in August according to the predetermined overhead rate.