A processing cost deposit in the amount of two thousand dollars ($2,000.00) shall be deposited within the City at the time the petition is filed in the City Clerk's office. This deposit is to be used for the purpose of payment for professional and administrative costs incidental to the processing of the petition. Any costs or expenses incurred by the City as a result of the submission, review and final determination of any petition or development plan, according to the process as set out in this Section, shall be paid for out of the said deposited amount. Said costs or expenses incurred by the City shall be determined by the City Clerk. Upon final determination or disposition by the City of any petition, any portion of said deposited monies not expended or budgeted for expenditures shall be returned to the petitioner within thirty (30) days from said final determination and disposition. Any costs or expenses incurred by the City, in excess of the deposited amount, shall be paid into the City from time to time within thirty (30) days from determination by the City. At the time of final determination or disposition, the City Clerk shall present to the petitioner a listing of said costs or expenses, along with a determination of any amount due the City, or any amount to be refunded in accordance with the Section. The deposit required herein shall be separate from, and is not intended to include, any building or any other permit fees or any escrow monitoring fees.