What should it cost to replace the intake manifold on my buick on 2000 Buick Century

I ant to be sure I am getting a fair cost

Asked by for the 2000 Buick Century
upper intake gasket should be about $600 while the upper and lower gasket should be about $900
1 more answer , 2 more comments
upper would cost approx 650.00 and lower would cost approx 925.00 parts and labor
Thank you very much. They are replacing my intake as we speak. At the peice you quoted they should be replacing both upper and lower. I needed to be able to ask the correct questions.
you are so welcome.enjoy your day