Ivanhoe Company estimates that annual manufacturing overhead costs will be $1.296,000. Estimated annual operating activity bases are direct labor cost $540,000, direct labor hours 54,000, and machine hours 108,000. Compute the predetermined overhead rate for each activity base. (Round answers to 2 decimal places, eg. 10.50% or 10.50.) Overhead rate per direct labor cost Overhead rate per direct labor hour $ 1 Overhead rate per machine hour $