Respuesta :
In some countries, people have paid their energy bills with items like milk or sausage. this practice is referred to as bartering.
A bill is a written statement of money that you owe for goods or services. In another words, It is a binding short-term financial instrument that mandates one party to pay a specific sum of money to another at a predetermined date or on-demand.
Bartering is the exchange of goods and services between two or more parties without the use of money. It is the oldest form of commerce. Individuals and companies barter goods and services between each other based on equivalent estimates of prices and goods.
Therefore, the answer is Bartening.
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