The chair, with approval of the county commission, shall employ an administrator who shall devote his or her entire time to the duties of the office. The administrator shall receive compensation as determined by the county commission. The chair, with the approval of the county commission, may employ other clerical help and assistance deemed necessary for the proper, efficient, and economical operation of the county commission. The administrator shall enter the minutes of all proceedings of the county commission in a well-bound book provided for that purpose. The book shall be kept in the office of the county commission and shall be open to the inspection of the public at all reasonable hours. The administrator shall keep a complete record of all receipts and disbursements of all county funds and shall be prepared at all times to show the financial condition of the county.