The rule of 72 says that if you divide 72 by the interest rate the result is the number of years it takes to double your money.
72/5.6 = 12.86 years. to double your money from $1850 to $3700 it would take 12.86 years, which means you will have $3700 near the end of 1992.
An Information System is when key components such as hardware, software, data, and process are combined for collection, processing, and distribution of data. All of these scenarios mentioned on the choices above are considered transactions in an information system. There is an exchange of information that fully satisfies the request of a user and describes what transactions in information systems are. They are good examples of users entering information whether, physically or electronically, as data into computers. This data is then processed, and the database changes adjusted with some being made permanent.