Load a savegame or start a new game. Access the computer ingame and click on the command tray icon symbol at the top right corner (the 'C:/_' symbol) and type in:
to activate the developer mode. Now use the following commands:
moneyplease = Gives you 250 extra cash
resetloan = resets bank loan to 0
If developers mode is active:
HOLD 'Left Shift' and 'F1' pressed WHILE clicking on 'Show Repair Order' allows you to mark the order as repaired and instantly completes the mission.