Is the money in the drawer worth the risk? Justified or not.
What makes you think that giving him the money means he won't shoot you?
What makes you think that giving him the money he won't just leave?
Have you been in this situation? I've had close friends that have, complied and suspect left. Statistically speaking I don't know the numbers. I'd be curious to find them. I tried briefly before my reply. My number one goal though is preservation of life, mine.
As stated, there are many variables other than the few stated.
You have the right to use deadly force--at any time, against a crime of violence felony being committed. Aggravated Assault is a crime of violence.You are a clerk at a gas station. A man points a gun at you and demands all the cash out of the register. His exact words are, "Give me all the money!"