n the existks Items shall be quoted separatety and agreed wNh the Cie& before mew execution and any concession shall Increase the cods Meths Beau Defect labIllty to be discussed along Witt maintenance 60% 35% 5% 26.21 26.22 26.23 Itzmuntratualaos 26.24 26.25 Advance Payment 26.26 Progsess Payments