Tenning Co. estimates that total factory overhead costs will be $660,000 for the year. Direct labor hours are estimated to be 60,000. a). Determine the predetermined factory overhead rate ___________________________(1 point) b). Calculate the amount of factory overhead applied to Job 123 if the amount of direct labor hours is 400 -------------------------------------------- (1 point) c). Calculate the amount of factory overhead applied to Job 197 if the amount of direct labor hours is 685