Cullumber Company estimates that annual manufacturing overhead costs will be $$1,536,000.$ Estimated annual operating activity bases are direct labor cost $$640,000,$ direct labor hours $64,000,$ and machine hours $128,000.$

Compute the predetermined overhead rate for each activity base. $($Round answers to $2$ decimal places, e$.$g$.10\mathrm{.}50\%$ or $10\mathrm{.}50.$