http://www.fordedgeforum.com/index.php?/topic/9321-new-grill-and-license-plate-bracket/ 
  
If I had a lease, buy what I did, throw it on for 3 years, keep the crome pieces in a box and reinstall them when you're trading it back in.  You will find a buyer on here quickly for a used grill.  It should only take you 1 hour, on and off.  Good luck on your decision.