Business expenses are costs incurred by a business in order to operate. Common examples of business expenses include PAYROLL, RENT, oncosts, RENTAL and POSTAGE. PAYROLL is the total amount of money paid to employees for their services. RENT is the payment made to a landlord for the use of a property. Oncosts are additional costs associated with employing staff, such as insurance and superannuation. RENTAL is the payment made for the use of an asset or service. POSTAGE is the cost of sending mail or packages.