Upon the filing of the petition and assignment of wages as herein provided, said petitioner shall pay to the clerk of said court the sum of 50 cents as a filing fee and the further sum of 50 cents for each creditor named in the petition and each year thereafter the sum of 50 cents for each creditor listed and not paid in full. In the event of any contest between the debtor and any creditor or 1 creditor and another creditor, the moving party in such contest shall before having same determined pay to the clerk of the court the sum of 50 cents as a hearing fee for such service and the court shall have the right to direct the clerk to retain from the exemptions of petitioners such sums as may be necessary to defray the actual costs for providing notices, stamps, clerical help in the clerk’s office, and other incidental expenses of paying for the administration of this chapter, and charge the same to the petitioners. The clerk shall deduct from the exemptions of petitioners the fee of 50 cents per creditor above provided for second and subsequent years, unless the petitioner shall pay same when due. All fees herein provided for shall be for the use of the city.