We can gain relation, renown and influence bonuses by donating troops and prisoners to settlements. Problem is, we can't see what we will gain during the transaction. Showing these gains would be helpful. It can be shown similar to troop upgrade costs or inventory transaction tooltip (hovering over done button). Since there are perks and skill effects (charm) that affects these gains it would be best to be able to see their individual effects on a tooltip. Here is what I had in mind (don't mind the mod):
