functional and non-functional requirements. Write down both for the following system. An automated ticket-issuing system sells rail tickts.Users select their destination and input a credit card and a...

functional and non-functional requirements. Write down both for the

following system.

An automated ticket-issuing system sells rail tickts.Users select their destination and input a credit card and a personal identification number. The rail ticket is issued and their credit card account charged. When the user presses the start button, a menu display of potential destinations is activated, along with a message to the user to select a destination. Once a destination has been selected, user are requested to input their credit card.its validity is checked and the user is then requested to input a personal identifier. When the credit transaction has been validated, the ticket is issued.