-/0.75 : Bramble Company estimates that annual manufacturing overhead costs will be $696,000. Estimated annual operating activity bases are direct labor cost $400,000, direct labor hours 40,000, and machine hours 100,000. Compute the predetermined overhead rate for each activity base. (Round answers to 2 decimal places, e.g. 10.50.) Overhead rate per direct labor cost % Overhead rate per direct labor hour $ Overhead rate per machine hour $