The director shall appoint three (3) competent appraisers who shall make an appraisal of said salt beds which appraisal shall be in writing and signed by the appraisers under oath and filed with the director, which appraisal shall constitute the minimum price for which said salt beds or rights or interests therein may be sold. The director shall have the right to approve or reject any appraisal. In the event an appraisal is rejected, the director shall in the same manner cause the salt beds to be again appraised. All appraisals shall be in writing and signed by the appraisers under oath. After the filing of the appraisal, the director of purchases, at the request of the executive director of the department of administration shall invite bids as authorized by Kan. Stat. Ann. §§ 75-3739 and the sale of such rights or interests therein shall be made to the highest responsible bidder. The right to reject all bids and invite new bids whenever he or she shall deem the bids received to be unsatisfactory shall be reserved by the director.