using the step-down method, allocate support-department costs. Allocate the costs of the support departments in the order given in this problem. (Round all indirect allocation rates to the nearest cent and all other computations to the nearest whole dollar. Use parentheses or a minus sign when decreasing departments by allocating costs.) Operating Departments Bldg and Support Departments General Cafeteria Plant Operating Grounds Personnel Admin. Loss Storeroom Machining Assembly Costs incurred Allocation of costs: Building and grounds Personnel General plant administration Cafeteria Storeroom Total budgeted costs of operating departments 60920 83880