Sometimes, determining whether a condition became worse because of the natural course of the illness, or because of a side effect of the medication the patient is taking can be difficult. (For example, both the infection causing a sore throat and a reaction to medication can cause nausea.)
DEFINITION of 'Overhead'. An accounting term that refers to all ongoing business expenses not including or related to direct labor, direct materials or third-party expenses that are billed directly to customers.
In business, an operating expense is a day-to-day expense such as sales and administration, or research & development, as opposed to production, costs, and pricing.In short, this is the money the business spends in order to turn inventory into throughput.n operating expense, operating expenditure, operational expense, operational expenditure or OPEX is an ongoing cost for running a product, business, or system. Its counterpart, a capital expenditure (CAPEX), is the cost of developing or providing non-consumable parts for the product or system.