Answer:
Early Termination Fee (ETF)
Explanation:
Early Termination Fee is the fee that merchant account providers expect when a merchant closes its carrier plan processing agreement before the agreed date
so The Fee $250 is called a penalty and falls under the larger category of contract penalty and is also called a financial penalty
The validity of issues is very debatable when it comes to cell phones.
so it is called the Early Termination Fee (ETF).