Operating Expenses Definition
Jaap de Jonge, Editor, Netherlands
An operating expense, operating expenditure, operational expense, operational expenditure or OPEX is an ongoing (day to day) cost for running a business, system or product.
Operating expenses normally include: raw materials, supplies, maintenance and repairs, salaries and wages, office expenses, utilities (e.g. computers, telephones), advertising, accounting expenses, attorney fees and legal fees, license fees (e.g. software), insurance, property management, property taxes, travel and vehicle expenses, leasing commissions.