Except as otherwise provided in Title VII of the Revised Code, the legislative authority of a city, by ordinance or resolution, shall determine the number of officers, clerks, and employees in each department of the city government, and shall fix, by ordinance or resolution, their respective salaries and compensation, and the amount of bond to be given for each officer, clerk, or employee in each department of the government, if any is required. Such bond shall be made by such officer, clerk, or employee, with surety subject to the approval of the mayor.