answer:
Mainframe computers are used by large companies and organisations to perform critical tasks that involve bulk data processing like transaction processing, census information, statistical data and so on. They consist of extensive input and output facilities, are very stable and dependable and handle millions of transactions every day
Explanation:
It depends on HOW much money is circulating. If governments just print money with nothing to back it, hyperinflation occurs. If there's a bit too much money and credit, inflation happens. Generally, 3% inflation is considered normal and a healthy amount by economists.
Number 2 is the correct answer
