Table 10. Criteria weights according to different cases.

	Current case	Case 1	Case 2	Case 3	Case 4	Case 5	Case 6
Product quality	(0.803 0.893 0.893)	(0.767 0.856 0.856)	(0.730 0.820 0.820)	(0.694 0.783 0.783)	(0.657 0.747 0.747)	(0.621 0.710 0.710)	(0.584 0.674 0.674)
Product price	(0.800 0.950 1.000)	(0.764 0.914 0.964)	(0.727 0.877 0.927)	(0.691 0.841 0.891)	(0.654 0.804 0.854)	(0.618 0.768 0.818)	(0.581 0.731 0.781)
Past record documentation	(0.435 0.614 0.750)	(0.472 0.650 0.787)	(0.508 0.687 0.823)	(0.545 0.723 0.860)	(0.581 0.760 0.896)	(0.618 0.796 0.933)	(0.654 0.833 0.969)
CRM	(0.386 0.540 0.695)	(0.422 0.577 0.731)	(0.459 0.613 0.768)	(0.495 0.650 0.804)	(0.532 0.686 0.841)	(0.568 0.723 0.877)	(0.605 0.759 0.914)