6. Volkswagen makes Beetles using two departments, assembly and painting, and Volkswagen uses machine hours to estimate MOH. Assembly uses 8,000 machine hours and painting uses 4,200 machine hours. Fixed MOH costs are estimated to be $710,000 for assembly and $600,000 for painting. Variable MOH per machine hour is $8.75 in both departments. Machine hours are used as the allocation base. What is Volkswagen's predetermined manufacturing overhead rate using a plantwide system? (6 points)