Cost Allocation

Identification of costs with cost objectives, also called cost apportionment, cost assignment, cost distribution, and cost reapportionment. There are basically three aspects of cost allocation: (1) choosing the object of costing. Examples are products, processes, jobs, or departments; (2) choosing and accumulating the costs that relate to the object of costing. Examples are manufacturing expenses, selling and administrative expenses, joint costs, common costs, service department costs, and fixed costs; and (3) choosing a method of identifying (2) with (1). For example, a cost allocation base for allocating manufacturing costs would typically be labor-hours, machine-hours, or production units.

A cost is generally understood to be that sacrifice incurred in an economic activity to achieve a specific objective, such as to consume, exchange, or produce. All types of organizations— businesses, not-for-profits, governmental— incur costs. To achieve missions and objectives, an organization acquires resources, transforms them in some manner, and delivers units of product or service to its customers or clients. Costs are incurred to perform these activities. For planning and control, decisions are made about areas such as pricing, program evaluation, product costing, outsourcing, and investment. Different costs are needed for different purposes. In each instance, costs are determined to help management make better decisions.

When incurred, costs are initially reviewed and accumulated by some classification system. Costs with one or more characteristics in common may be accumulated into cost pools. Costs are then reassigned, differently for specified purposes, from these cost pools to one or more cost objects. A cost object is an activity, a unit of product or service, a customer, another cost pool, or a segment of an organization for which management needs a separate measurement and accumulation of costs. Costs assigned to a cost object are either direct or indirect. A direct cost can be traced and assigned to the cost object in an unbiased, cost-effective manner. The incurrence of an indirect cost cannot be so easily traced. Without such a direct relationship to the cost object, an indirect cost requires an in-between activity to help establish a formula relationship. When the indirect cost is assigned through the use of this formula, the cost is considered allocated. The activity used to establish the in-between linkage is called the basis of allocation.

Types of Allocations

Cost allocations can be made both within and across time periods. If two or more cost objects share a common facility or program, the cost pool of the shared unit is a common cost to the users and must be divided or allocated to them. Bases of allocation typically are based on one of the following criteria: cause-and-effect, benefits derived, fairness, or ability to bear. The selection of a criterion can affect the selection of a basis. For example, the allocation of the costs of a common service activity across product lines or programs based on relative amounts of revenue is an ability to bear basis, whereas the same allocation based on the relative number of service units consumed by each product line or program would reflect either the benefits derived or the cause-and-effect criteria. Cost allocation then is the assignment of an indirect cost to one or more cost objects according to some formula. Because this process is not a direct assignment and results in different amounts allocated depending on either the basis of allocation or the method (formula) selected, some consider cost allocation to be of an arbitrary nature, to some extent.

Costs of long-lived assets are allocated and reclassified as an expense across two or more time periods. For anything other than land, which is not allocated, the reclassification of tangible assets is called depreciation (for anything other than natural resources) or depletion (for natural resources) expense. The bases for these allocations are normally either time or volume of activity. Different methods of depreciation and depletion are available. The costs of long-lived intangible assets, such as patents, are allocated across time periods and reclassified as amortization expense. The basis for these allocations is normally time.

Cost allocations within a time period are typically across either organizational segments known as responsibility centers or across units of product or service or programs for which a full cost is needed. Allocations may differ depending on whether a product or program is being costed for financial reporting, government contract reimbursement, reporting to governmental agencies, target pricing or costing, or life-cycle profitability analysis. Allocations to responsibility centers are made to motivate the centers' managers to be more goal-congruent in their decisions and to assign to each center an amount of cost reflective of all the sacrifices made by the overall organization on behalf of the center. These allocations can be part of a price or transfers of cost pools from one department to another.

Ethical Considerations

Allocations can involve ethical issues. Often the federal government issues contracts to the private sector on a cost-plus basis; that is, all the actual costs incurred to complete a contract plus a percentage of profit is reimbursed to the contractor performing the contract. A contractor completing both governmental and private-sector contracts may select a formula that tends to allocate more indirect costs to governmental contracts than to nongovernmental ones. A contractor may also try to include in reimbursement requests costs that are not allowable by the governmental agency. A contractor may even try to double-count a cost item by including it as a direct cost of the contract and as a part of an indirect cost pool allocated to the contract. Lastly, a contractor may attempt to have a reimbursement cover some of the costs of unused capacity. Audits are made of costs of government contracts to identify inappropriate costs.

Service Firms, Not-For-Profit Organizations, and Merchandisers

Service and not-for-profit organizations allocate costs, too. The cost object can be a unit of service, an individual client, or a cluster (category) of clients. The costs of a service firm are typically professional labor and indirect costs in support of the labor. The basis for allocating these indirect costs is often professional labor hours (either billable or total) or the cost of such, reflective of either cause-and-effect or benefits-received criteria. For not-for-profit organizations, the proportions to be allocated are best figured in terms of units of the resource on hand, such as the number of full-time equivalents, amount of square footage, or number of telephone lines. An important point to remember is that the principles of allocation are the same for for-profit and not-for profit organizations. The only difference is that the cost objects will be dissimilar.

Merchandisers, unlike most service and not for-profit organizations, have inventory that must be costed for external and internal reporting purposes. In these cases, the cost object is a unit of inventory. Incidental costs associated with the acquisition and carrying of the inventory are mostly direct costs easily traceable clearly assignable to the entire inventory, if not to individual units.

Manufacturers

Manufacturers need to cost the resources required to complete their products. In costing a unit of product for inventory valuation, costs of production are assigned. With the unit of product as the cost object, production costs are either direct costs (traceable usage of materials and labor) or indirect costs (all of the other production costs, referred to as overhead). The indirect production costs are allocated. Traditionally, manufacturers using labor-intensive technologies used a single basis of allocation based on labor, either in hours or in cost, associated with a single indirect cost pool. A manufacturer using a more capital intensive technology might use a nonlabor basis such as machine hours. Today many firms produce a varied set of products, using varied technologies with many levels of complexity. Such firms need a more refined cost assignment system that uses multiple bases of allocation with multiple indirect cost pools, such as activity based costing.

While for product costing a unit of output remains the final cost object, the technology a producer uses can require a cost assignment to an intermediate cost pool (object) prior to an assignment to a unit of output. For instance, a batch technology has a cost assignment first to an individual job order (batch); the total cost assigned to the job order is then unitized over the units in the batch to determine cost of one unit of output. Alternatively, for a given period in a process technology, costs are accumulated by (assigned to) each production process; the total cost assigned is then unitized across the total number of (equivalent) units produced by that process to cost-out a unit of output.

Manufacturers also incur service department costs (such as computer center costs) in support of production departments. These service department costs are indirect to a unit of production and for full costing must be allocated, first to respective production areas and then to the units of output. Such allocations are called service department allocations, and the basis of allocation is normally an activity reflective of the nature of demands made on the service department by other departments, both service and production.

Joint Production Allocations

Allocations are also required in a joint production process. When two or more separately identifiable final products initially share a common joint production process, the products are called joint products. The point at which they become separately identifiable is referred to as the split-off point. Manufacturing costs incurred prior to this split-off point are referred to as joint costs and need to be allocated across the different joint products for product costing purposes. The bases for allocating the joint costs typically include (1) relative sales value at split-off, (2) net realizable value at split-off (as an approximation of the sales value at split-off), (3) final sales value at the completion of the production process, and (4) the number of physical units of the joint products at split-off.

Many would consider this list of bases to be in an order of descending preference of use. Normally there are additional production costs beyond the split-off point. These additional costs are incurred in order to complete each joint product. For a given joint product, the net realizable value at split-off is calculated by subtracting the additional costs to complete from the final sales value of the finished joint product.

Service Department (RE)allocations

There are three basic methods to allocate service department costs to production departments or programs in a not-for-profit: (1) the direct method; (2) the step method; and (3) the reciprocal method. The basis for allocation of service area costs should ideally be causally related to the demands made on that area by other areas. Both cause-and-effect and benefits-received criteria are taken into account. If the service areas provide service to each other (referred to as reciprocal services), the reciprocal method is the most accurate, the step method next, and the direct method the least accurate. With different service and production departments as cost objects, costs are initially accumulated on a department-by-department basis. Departments working directly on programs or units of product or service are production departments. The other departments are service departments. The allocation problem then is to reassign service department costs to production departments or programs for both performance evaluation and product or program costing. Within a production department, these allocated service costs are then reallocated to units of service or product according to the bases of allocation that each respective production department uses for its indirect costs.

The direct method ignores reciprocal services. A service department's costs are allocated to the production departments according to the extent to which each production department uses (or, for budgeting purposes, intends to use) the services of the service department. This "extent" is determined on a percentage basis by either the amount of services actually provided by the service department to all the production departments or by the amount of services the service department is capable of providing at normal or full capacity. Variable and fixed costs may be allocated separately, resulting in a dual allocation process (for example, variable costs based on actual usage and fixed costs based on budgeted usage).

The step method partially takes reciprocal services into account by allocating service department costs to production departments on a sequential basis. The service department that provides the greatest amount of service to the other service departments is allocated first; the one providing the second greatest amount of service to the other service departments is allocated second; and so forth. The absolute dollar amounts of costs incurred within service departments can be used to break a tie in usage, the larger amount allocated first. Once a service department has been allocated, it is ignored for all subsequent allocations.

The reciprocal method takes into account all the reciprocal services by setting up a set of simultaneous equations, one equation per service department. For any given service department, its equation is: Total allocable cost direct costs of the service department costs allocated from each of the other service departments based on this department's use of the other service departments. Once these equations are solved, the resultant allocable cost (sometimes referred to as the reciprocal or artificial cost) is reallocated across all the other departments, service and production, according to the original percentage usages.

Two additional issues, fairness and acquiring the service from the inside or from the outside, concern the allocation of a common cost. The amount of common service cost allocated to a using department may be greater that what it would cost that department to obtain the same service from the outside. A variation of the reciprocal method provides an analysis to help the manager of a using department decide whether to obtain the service from another department within the organization or to contract outside for the service from another organization. The amount of a particular service department's cost allocated to a using department may be dependent on the extent to which other departments also use this service department. This does not seem to be fair.

(See also: Accounting; Costs)

Bibliography

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[Article by: LAWRENCE A. KLEIN; CLIFFORD BROWN]