That depends on what you make. Thankfully fines for crimes are not based around a percentage of your income.
Fines should be based on your income.
You can't send a "moral person" to jail, unlike "physical persons". But sometimes I wonder if taking a fraction of their shares from them would make them more... Moral I guess.
This. Government custody for a person is incarceration. Government custody for a business would be company stock incarceration.
If you do it in a comparable manner? Probably.
Or, you know, just hit someone with a car. Criminal charges are often not filed even if the driver is clearly at fault.