Q2: Rhett Company has two departments, Machining and Assembly. The following estimates are for the coming year: MachiningAssembly Direct manufacturing labor-hours 10,000 50,000 Machine-hours 40,000 20,000 Manufacturing overhead $200,000 $400,000 a. A single indirect-cost rate based on direct manufacturing labor-hours for the entire plant is----- b. The budgeted indirect-cost driver rate for the Machining Department based on the number of machine-hours in that department is