QS 17-4 Computing plantwide overhead rates LO P1 Rafner Manufacturing identified the following budgeted data in its two production departments. Manufacturing overhead costs Direct labor hours Machine hours Assembly $1,120, 800 11,100 DLH 5,100 MH Finishing $ 510,000 19,100 DLH 15,100 MH Required: 1. What is the company's single plantwide overhead rate based on direct labor hours? 2. What is the company's single plantwide overhead rate based on machine hours