EExplain wstep by step

Susan Sai Ltd provides the following information about departmental consumption of allocation bases for its 3 support and 2 operating departments. Resource provided to: Resource provided to: Support departments Operating departments Personnel Cafeteria Maintenance Machining Assembly Resources provided by: Personnel 10% 20% 30% 40% Cafeteria 10% 20% |40% 30% Maintenance 10% 20% 50% 20% For the step-down method, what proportion of the cafeteria's costs will be allocated to the maintenance department if the allocation order is personnel, cafeteria and maintenance