Generally speaking, the interest rate varies according to the term of measurement, indicating that the method has annual interest rate, monthly interest rate and daily interest rate. At present, about the nature of the enterprise. Western economists have different views. There is also some debate. Some western economists analyze the nature of the enterprise mainly from the perspective of transaction costs that coase emphasizes. We have been using internet banking for quiet sometimes now. Even though there were internet banking security breach occasions, but the percentage is very small. People has learned to be very careful and protecting themselves when using internet banking. Internet banking users are smart people and they also know how to protect their computer from malware and hacker which has the opportunity to interrupt inside their internet checking account.