9-4 p 935 PE 19-48 Applying factory overhead OBJ. 2 Rothchild Company estimates that total factory overhead costs will be $810,000 for the year. Direct labor hours are estimated to be 90,000. For Rothchild Company, (a) determine the predetermined factory overhead rate using direct labor hours as the activity base, (b) determine the amount of factory overhead applied to Jobs 40 and 42 in August using the data on direct labor hours from Practice Exercise 19-2B, and (c) prepare the journal entry to apply factory overhead to both jobs in August according to the predetermined overhead rate 9-4 p 935 PE 19-48 Applying factory overhead OBJ. 2 Rothchild Company estimates that total factory overhead costs will be $810,000 for the year. Direct labor hours are estimated to be 90,000. For Rothchild Company, (a) determine the predetermined factory overhead rate using direct labor hours as the activity base, (b) determine the amount of factory overhead applied to Jobs 40 and 42 in August using the data on direct labor hours from Practice Exercise 19-2B, and (c) prepare the journal entry to apply factory overhead to both jobs in August according to the predetermined overhead rate