Q2 (Textbook Exercises 4.4): Write a set of non- functional requirements for the ticket-issuing system, setting out its expected reliability and response time. Q3 Based on the above system, draw an activity diagram that models the data processing involved when a customer buys a ticket from the machine. Q2 (Textbook Exercises 4.4): Write a set of non- functional requirements for the ticket-issuing system, setting out its expected reliability and response time. Q3 Based on the above system, draw an activity diagram that models the data processing involved when a customer buys a ticket from the machine.