Table 4.

Formation of comparison matrix.

Comparison Matrix	DM1			DM2
	${\mathrm{\Psi }}_1$	${\mathrm{\Psi }}_2$	${\mathrm{\Psi }}_3$	${\mathrm{\Psi }}_1{\mathrm{\Psi }}_3$	${\mathrm{\Psi }}_2$	${\mathrm{\Psi }}_3$
${\mathrm{\Psi }}_1$	1	(3.5,4,4.5)	(4.5,5,5.5)	1	(0.22,0.25,0.286)	(4.5,5,5.5)
${\mathrm{\Psi }}_2$	(0.22,0.25,0.286)	1	(3.5,4,4.5)	(3.5,4,4.5)	1	(4.5,5,5.5)
${\mathrm{\Psi }}_3$	(0.18,0.2,0.22)	(0.22,0.25,0.286)	1	(0.18,0.2,0.22)	(0.18,0.2,0.22)	1