Report payment system based on customer analysis

This paper discusses the shopping and sales of human beings. The real society needs to go out shopping by itself and evolve into shopping on the Internet. Items will be sent to the home, and the payment flow plays a very important role. The payment flow system can not only Provide consumers with online credit card, and also provide sellers to analyze the status of customers and goods. This paper also provides the profit formula for installment and uses the profit formula to calculate the gross profit.