I assume this is a 2010 you're talking about. If it is..I'd walk and find another dealer to deal with.
Hell, I was easily quoted $1000 above invoice (invoice + maco/training) on a 2011 coupe without even set foot in the 4 dealers I talked to.
You're basically buying the car at full pop, and I notice the mf has been marked up as well...
With the $2500 cash back, the dealer can easily do invoice and still make a pretty decent profit (dealer hold back...etc..etc)