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$1.$If Sarah's wages remain the same, James's wages increase to $$70,000,$ and their Charitable Contributions decrease to $$2,500,$ what is their new AGI if all other values remain the same?

$2.$What is the AGI if Sarah's wages decrease to $$78,000,$ James's wages increase to $$75,000,$ and their Dividend Income decreases to $$50,$ with all other values remaining constant?