Aztec Industries produces bread which goes through two operations, mixing and baking, before it is ready to be packaged. Next year's expected costs and activities are shown below. Direct labor hours Machine hours Overhead costs Mixing 402,000 DLH 802,000 MH $562,800 Baking 82,000 DLH 802, 800 MH $402,000 Compute Aztec's departmental overhead rate for the mixing department based on machine hours. Multiple Choice $4.90 per MH 0 80 50 per MH $199 per MH $140 per MH $0 70 per MH