After you have selected your industry and stuff and you are in your company space hit ENTER and type: cmd to activate cheats. You should see something in white at the bottom left hand corner that says 'Cheats on'. After you can continue and enter a code. To turn it off, simply press cmd again.

Various Cheats

Press the ENTER key then enter a cheat below

pr up - More pr rating

pr down - less pr rating

mission ok - Finish mission

mission cancel - fail mission

repair - All objects repaired

money [number] - Get money, replace [number] with amount desired

Lots of Money

Go to the tutorial and when it starts, press ESC you'll have 1,000,000$!!!