Hold "C" when accessing the computer
You will see a FPS meter if you did it correctly
From DEBUG MODE you will:

• have more money
  
• become a LVL 5
  
• Cycle thru breeds (Page UP / Page Down)

you can edit the save file and type in any amount in ATM.
then withdraw once you have the card

Save file is found in C:/users/yourname/appdata folder in windows
C = windows drive
yourname = windows username

Note: editing the save file can mess up the game and casue glitches, do it at your own risk and backup your save file to be safe.