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4.2.2 Managing project costs

An accurate estimate of project costs provides two outcomes:

Cost means many things:

Below-the-line Costs
Additional costs added to the basic cost a project to account for such factors as inflation and contingencies (unforeseen possibilities)

Cost Variance
A cost variance is a variation from the estimated cost of a project (or a component) and the actual cost incurred.

Direct Costs
Costs that can be attributed directly to the cost of the project such as the number of hours a person works on the project, the number of sheets of paper a person writes on for the project, etc.

Fixed Costs
Costs that are incurred even when the workload on a project is zero such as salaries, rentals, etc., incurred specifically for the project.

Indirect Costs
These are equated with the fixed costs but usually occur on-going to keep the enterprise in business and involve on-going salaries, overheads such as lighting, heating, phones, rentals, etc. The difficulty for accountants is to work out when indirect costs can become direct costs.

Labour Burden Costs (on-costs)
Often called "hidden costs" these include the percentage added onto hourly or weekly wages and salaries to compensate for holidays, sick, leave, superannuation, training guarantee, etc.

Material Burden Costs
Also often called "hidden costs" these include delivery costs of materials, perhaps couriers to convey documents between enterprise and customer, and any other costs for administration and handling of materials. The common rate for material burden costs is 15% added to the cost of materials.

Standard Costs
Because many different people on different wages/salaries in the enterprise might work on a project, when the project first comes in it is impossible to say exactly who at what wage/salary will work on the project. Therefore, people are classified into categories such as - directors, project staff, project assistants, administrative assistance, checkers, etc - and an average cost is allocated to each standard category. Cost estimates then involve standard costs.

Variable Costs
Variable costs are incurred according to the level of project activity and are usually confined to the direct costs than can be attributed to the work done on the project.

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