"We, Jim Klapanis and Rita Klapanis ... the directors of Pacific Grace Pty. Ltd. and We, Joseph Michel Cusmano and Salvatore Michael Cusmano ... the Directors of Vimplane Pty. Limited (hereinafter called 'the Guarantors') IN CONSIDERATION of the within-named Vendors described in the within Contract of Sale for the price and upon the terms and conditions therein set forth DO HEREBY for ourselves, our respective Executors, and Administrators jointly and severally covenant with the said Vendors that if at any time default shall be made in the payment of the deposit or residue of the purchase money or interest or other moneys payable by the Purchaser to the Vendors under the within Contract of Sale or in the performance or observance of any term or condition of the within Contract to be performed or observed by the Purchaser we will forthwith on demand by the Vendors pay to the Vendors the whole of such deposit, residue of purchase money, interest or other moneys which shall then be due and payable to the Vendors and will keep the Vendors indemnified against all loss or purchase money, interest and other moneys payable under the within Contract and all losses, costs, charges and expenses whatsoever which the Vendors may incur by reason any default as aforesaid on the part of the Purchaser. This Guarantee shall be a continuing Guarantee and shall not be released by any neglect or forbearance on the part of the Vendors in enforcing payment of any of the moneys payable under the within Contract or the performance or observance of any of the agreements, obligations or conditions under the within Contract or by time being given to the Purchaser for any such payment, performance or observance or by any other thing which under the law relating to sureties would but for this provision have the effect of releasing us our Executors, Administrators and Assigns."