I was able to make a trade when a guy sold me everything.
I posted a save before the trade and after and some screenshots.
Download
P.S.:
The trading usually sucks. When I click money, I would expect it would offer the calculated amount needed for the trade, not just the half as usual.
https://dvorak.digital:8101/f/b843ed970375436d87c8/?dl=1
https://dvorak.digital:8101/f/b843ed970375436d87c8/?dl=1