painting grill

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I have an 05 TL. the car is black and I would like the grill and the licence plate to match the color. How much to paint where its silver? The front grill and there is a little strip above the licence plate on the trunk. I have inserted two pictures not my car so you can see how much there is. Its not much. Thanks.

http://www.autospectator.com/cars/files/images/2008_Acura_TL_08.jpg

http://farm2.static.flickr.com/1085/1223993989_1f9bf919f5.jpg