code an event handler processenteries that gets the users entry and checks to make sure that it is a number between 0 and 99. if it isn't display an alert dialog box for the error if it is valid call...

code an event handler processenteries that gets the users entry and checks to make sure that it is a number between 0 and 99. if it isn't display an alert dialog box for the error if it is valid call a function named make change and pass it the users entry