Which of the following statements is true?

1. From a legal point of view, it is easier to return software to a store because it doesn't meet your needs than it is to do so because the software is of poor quality.
2. If a programmer is, i) supervised in his work, ii) subject to being fired by his employer, iii) directed in his work by his employer, and iv) under contract for the work he is doing, it is most likely true that the programmer is considered the author of the work he has produced.
3. A civil judge cannot find that a plaintiff has been harmed and hold a defendant liable if the defendant has violated no written law.
4. It is easier to prove guilt in a criminal case than it is in a civil case.
5. A company is not required to protect trade secrets in order to maintain legal protection of the proprietary information.