‘X’ contracts with ‘Y’ to purchase 30 chairs of a particular brand called make and type. ‘Y’ delivers 15 chairs of that quality and 15 chairs of some other make - قابل دانلود در فورشيرد. ‘X’ contracts with ‘Y’ to purchase 30 chairs of a particular brand called make and type. ‘Y’ delivers 15 chairs of that quality and 15 chairs of some other make توسط سرويس رايگان فورشيرد در هاست های قوی 4shared ذخيره گرديده است.