Boshae Company estimates that total factory overhead costs will be $660,000 for the year. Direct labor hours are estimated to be 100,000. At the end of the year it was determined that actual factory overhead costs were $675,000, and actual direct labor hours were 90,000. The Boshae Company pre-determined factory overhead rate was Os7.33 per DL hour O $7.50 per DL hour O $6.75 per DL hour O $6.60 per DL hour