(a) Within 30 days of the last day of the hearing, the applicant shall pay for the cost of:

(b) The hearing officer may require that the applicant post a bond or other acceptable financial guarantee for the costs of the hearing. Such guarantee shall be provided to the commission prior to commencing the hearing, or the hearing will be adjourned until the guarantee is made available.

(c) There shall be no charge to the applicant for the services of the hearing officer designated by the commission to conduct the hearing, unless otherwise agreed.

(d) A final decision will not be issued until the applicant has paid the costs of the hearing referred to in subdivision (a) of this section.