Overhead

Those elements of cost necessary in the production of an article or the performance of a service that are of such a nature that the amount applicable to the product or service cannot be determined directly. Usually, they relate to those costs which do not become an integral part of the finished product or service, such as rent, heat, light, supplies, management or supervision

Accounting

Advertising

Banking

Bankruptcy

E-Commerce

Economics

Finance

Law

Investment

Insurance

Marketing

Real estate

Statistic

Trade

Purchasing