Brenda's Bakery has two departments, baking and frosting. Brenda's has the following costs and resource usage in each of her departments: Brenda's Baking Overhead Costs and Resource usage by Department Departments Baking Frosting Overhead Costs $150,000 $70,000 Direct Labor Hours 900 3,500 Machine Hours 3,000 1,000 If Brenda uses a plant wide rate to allocate overhead based on Machine Hours, what is the plant wide rate