Put the summary of the bug you're having here
What I expected to happen was...:
they low the cost
What actually happened was...:
they increase the cost
Steps to Reproduce:
1. BE sure that they will low the cost after many times trade
2. ...
3. ...
Environment
Put your operating system (Windows 7, Windows XP, OSX) and Java version if you know it here
Linked issues
Attachments
Comments 3
Indeed, MC-146373
I believe this is an intended feature.