how much is a normal repair cost for a water pump in a 2004 cadillac deville on 2004 Cadillac DeVille

i have a 04 deville that the belt is worn on and the water pump stopped working so i needed to get these two things replaced . i was wondering on average cost of repair.

Asked by for the 2004 Cadillac DeVille
500-600 on the water pump, t stat and flush. serp belt is about 50 with 1 hour in labor.

Thanks so much for the info man this really helped me out alot! Have a great 4th man .