I agree with njtosd with additional emphasis on the fact that it depends on which molding you choose.

Friends, in restoring their Rittenhouse Sq row house, spent over 20k on custom milled molding. They admitted after the fact that it did not need to be custom milled. This is what happens when the person ordering the molding is an architect who’s feeling his oats.

If they’d chosen a stock molding they would have spent about 2k on the same molding for the same effect.