title: angularjs multiple controllers on one page
body: <p>I have a page with multiple controllers, one of the controller is being used in 2 different divs within the same page. I am not sure if it is a scope issue or I just miss something in my code.</p>
  
  <p>here is the plunkr 
  <a href="http://plnkr.co/edit/IowesXE3ag6xOYfB6KrN?p=preview">http://plnkr.co/edit/IowesXE3ag6xOYfB6KrN?p=preview</a></p>
  
  <p>I want to hide the textbox when the user clicks on 'Savings' link, display the box when clicking on 'Cost' link.</p>