How to accept a banknote?

Simply tap on any green banknote visible on the map. A screen will come up which gives you all the information about the chosen banknote. At the bottom of the screen you'll find 3 options with 3 buttons: 

- Negotiate: You can negotiate the amount of the order.

- Message: You can contact the person who posted the order.

- Accept: You can accept the order. Accepting means you send an offer at the asking price. the green banknote will then turn orange.