Tasty Bakery produces donuts which go through two operations, mixing and baking, before they are ready to be packaged. Next year's expected costs and activities are shown below. Mixing Direct labor hours Machine hours Overhead costs 300,000 DLH 1,000,000 MH $500,000 Baking 70,000 DLH 800,000 MH $400,000 Compute Tasty's departmental overhead rate for the mixing department based on machine hours