1. What was the primary legal issue in Hollis v. State?
2. What was the conclusion of the Fifth Circuit Court of Appeals regarding the state income tax?
3. Which of the following was a key argument made by the plaintiff, Hollis?
4. What rationale did the State provide for imposing the income tax?
5. In relation to the Dormant Commerce Clause, how did the court view the tax's impact on interstate commerce?