EssentialParts Ltd is a sub-contractor in the car industry. The firm has two operating departments: the machining department and the assembly department. The firm also has two support departments: materials procurement and general factory support. The usage of these two support departments' output for 2019 was as follows: Support departments Operating departments General Materials Factory Machining Assembly Procurement Support Department Department User of Services Budgeted manufacturing overhead costs before an inter-department cost allocations 900,000 750,000 1,000,000 4,000,000 Support work supplied by: Materials Procurement 0% General Factory Support 40% 5% 0% 50% 45% 50% 10% Required a) Use the direct method to allocate the budgeted costs of the Materials Procurement Department and General Factory Support Department to the Machine Centre and Assembly Centre. (4 Marks) b) Use the step down method to allocate budgeted costs of the Materials Procurement Department and General Factory Support Department to the Machine Centre and Assembly Centre. (8 Marks) c) Use the reciprocal method to allocate the budgeted costs of the Materials Procurement Department and General Factory Support Department to the Machining Department and Assembly Department. (12 Marks)