Table 13.

Initial weights of the criteria of price aspect obtained by FBWM

Criteria	Material cost	After sales service cost	Support system cost	Maintenance cost	Production cost
OWs	0.3301739	0.2031960	0.09567348	0.1374492	0.2335074
ξ∗ = 0.6715729 CI = 8.04 ➔ CR = $\frac{0.6715729}{8.04}=0.0835$