I've solved the problem. The rebate somehow disappeared when people had too much money left to buy more stuff. Now, it will always be calculated.
![Cool :cool:](./images/smilies/icon_cool.gif)
About trains: In fact, you preorder trains, not key caps. The trains in SPH-grey, blue, violett, cream and cadet colors are rolling to their new home currently. And really soon the next batch of trains will be produced and roll out. All we need is $6850.66.
![Rolling Eyes :roll:](./images/smilies/icon_rolleyes.gif)
Phase 2 trains will soon arrive:
![Image](https://upload.wikimedia.org/wikipedia/commons/thumb/e/e7/41018_Schiefe_Ebene_Nov_5_2016.png/800px-41018_Schiefe_Ebene_Nov_5_2016.png)
![Rolling Eyes :roll:](./images/smilies/icon_rolleyes.gif)