Decision Martix

Headphone cords break, tangle and split and wireless ones are too expensive.					Concepts
			Weight		Chain-cord		Braided wire		Flexible plastic		Cheaper Wireless
Specifications
Number					Value	Rank	Value	Rank	Value	Rank	Value	Rank
1	Safety		4		2	8	3	12	3	12	4	16
2	Cost		3		3	9	4	12	4	12	2	6
3	Material		2		3	6	4	8	4	8	3	6
4	Demand		3		4	12	2	6	2	6	4	12
5	Durability		4		5	20	3	12	3	12	4	16
6	Ease of Use		4		4	16	3	12	4	16	4	16
7	Availability		4		4	16	4	16	4	16	4	16
8	Retail Value		3		3	9	4	12	3	9	2	6
				Total	28	96	27	90	27	91	27	94
				Average	3.5	12	3.375	11.25	3.375	11.375	3.375	11.75