an automatic teller machine remians idle until someone inserts their card,it prompts them for personal identification number $.$ if the user enters correct PIN the ATM will present them with options for withdrawing money or checking their bank balance. if they chose to withdraw money the user will be asked to enter the amount. provided there is sufficient money the ATM will dispense cash i$)$ identify states and events and explain the transition between states. the explanation should include any guard conditions relating to the transition ii$)$against which other UML diagram should a state chart be compared? what comparisons can be made? provide illustrative examples to support the diacussion