Listed below are the four steps you should follow when planning an OO application. Put the steps in the proper order by placing a number (1 through 4) on the line to the left of the step.

_____________________ Identify the objects to which you will assign the tasks.

_____________________ Draw a sketch of the user interface.

_____________________ Identify the tasks the application needs to perform.

_____________________ Identify the events required to trigger an object to perform its assigned tasks.