Whenever in this code a court-appointed attorney is entitled to reasonable compensation and necessary expenses, the judge of the court shall consider the following factors, no one of which alone shall be controlling:

1. (a) Customary fee in the community for similar services rendered by privately retained counsel to a nonindigent client.
2. (b) The time and labor required to be spent by the attorney.
3. (c) The difficulty of the defense.
4. (d) The novelty or uncertainty of the law upon which the decision depended.
5. (e) The degree of professional ability, skill, and experience called for and exercised in the performance of the services.
6. (f) The professional character, qualification, and standing of the attorney.