Surcharge (noun)

1. An additional charge added to the regular price of a product or service.
2. An additional tax or fee imposed on a particular group or activity.

Origin:

Mid 18th century: from french surcharger, from sur- "over" + charger "load".

Examples:

1. The hotel charged a surcharge for using the internet.
2. There will be a surcharge on luxury goods to help fund social programs.
3. The surcharge on electricity bills was introduced to cover the cost of renewable energy.
4. The surcharge on credit card transactions is intended to cover the cost of processing payments.
5. The surcharge for rush delivery ensured that the package would be delivered the next day.