Human: What's an argument for and against using a flat tax? Assistant: 
Argument for Using a Flat Tax
1. It is easier to calculate taxes under a flat tax system than under a progressive tax system.
2. A flat tax encourages people to work harder because they don't want to pay more taxes.
3. People will be less likely to cheat on their taxes since there are fewer deductions.
4. The government can collect more taxes with a flat tax system.
5. It would make it easier to simplify the tax code.