Paint and Body Cost of rust around windows?

I’m currently looking at a 68 mustang that overall is good. The trunk looks nice, the engine was rebuilt in 2015, and the undercarriage has only a little bit of surface rust in a couple spots.

The trouble is that there is rust on the top of the windshield, and at the base of the rear window. It doesn’t look like much, but there is always more as everyone says. I wanted to know if anyone had any ballpark figures to go and repair those points since everything else is so nice. Thank you for reading.
 

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I gave up painting a few years back so i cant coment on that part ,but if i had to replace the lower panel and cut and patch around the window it would be between $900. -$1500 ,but again it would depend on the amount of rust ,there could be rot below the outer panels ,or it could be clean below the outer panel . About the best thing to do is pull the windows ,clean the channel and see what the damage actually is