As is, it ain't worth the cost to print the newspaper ad. A decent seat bar and seat are going to set you back 30 bucks and you can't get that for that model of used bike. If you can get an old seat bar and seat from somewhere for free or like for 2 bucks at a garage sale, then you can maybe sell the bike for 20 bucks.
Fix it, keep it, ride it.
Fix it, keep it, ride it.