1998 gmc k1500 pickup intake manifold gasket on 1999 GMC Sierra 1500

i got antifreeze leaking from the intake manifold gasket on my 1998 gmc k1500 5.0 liter 305. how much will this cost to replace? thanks

Asked by for the 1999 GMC Sierra 1500
i had head gaskets replaced when antifreeze was leaking into my oil the approximate cost was $1500.00