Fees and deposits. Any person making an application shall pay a nonreturnable fee of $200 accompanying such application. In addition, the application shall be accompanied by a deposit of $2,000 to cover the cost of review services provided by the Borough Engineer, planning consultant, Borough Attorney, Zoning Board of Adjustment attorney and other Borough personnel, the publication of notices and other required expenses. The Borough Clerk shall place the deposit in a trust account in the name of the applicant and shall charge thereto all disbursements to professional consultants and Borough personnel for review services. Any unused portion of the deposit shall be returned to the applicant. If the cost of review services exceeds the amount of deposit, sufficient additional funds shall be deposited before any final approved plan is returned to the applicant.