Operating expense - WikipediaAn operating expense[a] is an ongoing cost for running a product, business, or system.[1] Its counterpart, a capital expenditure (capex), is the cost of developing or providing non-consumable parts for the product or system. For example, the purchase of a photocopier involves capex, and the annual paper, toner, power and maintenance costs represents opex.[2] For larger systems like businesses, ope
