500
Has Tom ever been in trouble with the law before? If so, what happened? Why is Atticus asking this (What is he trying to show)?
Tom was sent to jail. A man tried to cut him. Tom was trying to protect himself. They were both fined. Tom couldn't pay his fine so he was sent to jail. Atticus asks this to show that Tom has nothing to hide. He is willing to tell the truth, the whole truth, and nothing but the truth.