It's wrong to cheat your employer.
Steve has a car but its not running well anymore, and he wants to buy a new one but doesn't have enough money.
Steve wants a new car.
Steve asks if he can work more overtime to help him afford a new car.
Steve uses an expense account at work to buy himself a new car.
Steve is given extra projects at work, and he saves to buy a new car.
Steve gets caught having misused his expense account and has to pay it back after being fired.