Each of the said municipal judges shall receive such annual compensation as shall be fixed by ordinance, but such annual compensation shall not be less than seven thousand dollars per year. The compensation provided shall be in lieu of fees, costs and charges, both in civil and criminal cases[,] to which such municipal judges shall be entitled, but for the provisions of this chapter, except those for performance of marriage ceremonies and for administering oaths in matters not connected with suits and proceedings in said city. The judges shall be required to devote such time to the duties of their office as will at all times keep their dockets current with pending legal matters, and shall not permit a back-log of cases, either civil or criminal[,] to accumulate in accordance with proper administration of justice, and shall prescribe the hours of court, rules of practice and procedures therein, which are not inconsistent with this charter of statute, and each of the municipal judges shall file with the council promptly at the end of each year an annual report of the court's activities, moneys received, expenses and budget for the next fiscal year. The municipal judges shall be permitted to carry on their respective legal practices, but shall be prohibited at all times from the private practice of law in the Municipal Court of the City of Inkster.