Intake manifold gasket on 1999 Oldsmobile Intrigue

I'm aware that the intake manifold gasket runs around $50. What is the labor estimate for replacing the gaskets?

Asked by for the 1999 Oldsmobile Intrigue
Upper intake manifold gasket shows labor at 2.6 to 2.8 hours, lower manifold gasket 4.5 hour total includes R+R upper manifold.