Depending on which part of the shop interface is used, buy/sell prices appear in the opposite category in the other interface.
"Traditional" interface sell prices become "trade network" buy orders, buy prices become sell orders; likewise "trade network" sell orders become "traditional" buy prices and vice versa.
- Initial conditions (ignore existing orders): no order for Yellow Paint: no price set for Yellow Paint:
- Buy Yellow Paint at 10 cr.:
- Trade network shows sell order at 10 cr.:
- Order removed:
- Add buy order for Yellow Paint at 10 cr.:
- Shop now sells Yellow Paint at 10 cr.: