Answer:
1. Kant believes the aim of a moral life is for human beings to be treated with dignity and respect, since they possess rights.
2. Kant argues that humans are by nature free since despite their difference in human natures, humans should have the ability to choose their own behaviors, in addition they should be held accountable for their own acts and should not be standardized.
3. Immorality in some cases is necessary to attain the supreme good, because it deviants itself of the standardized rules set by society, allowing the immoral to steal, deceive, and cause harm to others. (thus being able to attain supreme good)