Crain Ford Chenal/Ford Motor Co Excessive Charge for a tune up and oil change $685.07 Little Rock, Arkansas

 On 02/29/2012 I took my 2006 Ford F150 in for a tune up and oil change, the tune up consisted of removing 8 spark plugs and installing 8 new plugs. The plugs cost $153.28, they then charged $400.00 to remove and instal 8 plugs.
I questioned the cost Crain Fords advisor stated $200.00 was charged extra to remove 4 plugs that the dealerships tech broke, I asked why the customer had to pay for the Incompetency of the tech
the advisor said it was not the incompetency of the tech Ford had 2 piece plugs and sometimes the broke getting them out when that happens they charge $50.00 extra for each one they break I then asked why the customer had to pay for Fords design error, I had heard of other people having to pay extra for broke plugs but didn't beleive it till it happened to me.
Contacted Ford Motor Co, they stated they checked and had no reports of a problem with the plugs, and they could not help me.  Fords better Idea
Now the oil change was $36.49 and then an enviromental charge of $41.63 to dispose of the oil and filter
Total for Tune Up and oil change  $685.07
looks like to me if everybody is having problems with removing the 2 piece plugs it is an design error on Fords part and the customer should not have to pay for Fords mistake.