I am curious about 6 and 7 except with 6. Not just a 16 year old but someone with a carry permit and their company has a "rule" against carrying a firearm?...
If a person with a valid carry permit is at a place that is not illegal to carry under State law, but only against company policy, they aren't breaking any criminal law. Only a company's internal rule. They can be fired or disciplined, but not charged criminally. (Unless they're told to leave and they refuse, in which case it's criminal trespass.)
QUESTION 6 is about the "your place of business" exception to the carry license requirement.