Please choose the correct answer to the question: Sasha is a law abiding citizen. It's important to Sasha that they do everything right concerning buying a gun. Sasha purchases a gun from the store. What does Sasha need to do before this?

Answer1: Buy bullets for the gun Answer2: Buy a scope for the gun Answer3: Get a gun license

Answer format: answer1/answer2/answer3
Answer: answer3