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An office furniture manufacturer in Italy aims to implement a supplier evaluation process that would allow choosing the best wood (raw material). The suppliers will be evaluated according to five (5) criteria: 1) Product quality, 2) Cost, 3) After-sales service, 4) Technical competence, and 5) Communication Management has decided the rating scale to range from 1 to 9 (1 being the worst rating and 9 the best). In addition, the rule of reversed ranking also applies. This means that if a criterion or a supplier i has a particular rate with respect to y, then the reversed rate is assumed iffis compared against I. The pair-wise comparisons of suppliers with respect to each criterion are shown in Table 1. In addition, the criteria preference matrix is presented in Table 2. Which supplier should the enterprise select? Justify your answer. Table 1. Pair-wise comparisons of suppliers with respect to each criterion A. Product quality 51 S2 S3 54 $1 1 3 1/5 1 S2 1/3 1 1/8 1/3 S3 5 8 1 5 S4 1 3 1/5 1 B. Cost $1 1 1/3 5 4 SZ 3 1 7 8 S3 1/5 1/7 1 2 54 1/4 1/8 1/2 1 C. After-sales service S1 1 5 4 6 $2 1/5 1 1/2 1/3 S3 1/4 2 1 2 S4 1/6 1/4 1/2 1 D. Technical competence S1 1 1/3 1/2 1 S2 3 1 1/3 1/3 S3 2 3 1 5 S4 1 3 1/5 1 E. Communication 51 1 3 1/5 1 S2 1/3 1 1/8 1/3 S3 5 8 1 5 S4 1 3 1/S 1 Table 2. The criteria preference matrix Cost Product quality Communication After-sales service Technical competence Product quality 1 2 4 3 2 Cost 1/2 1 3 3 3 1/4 1/3 1 2 2 After-sales service Technical competence 1/3 1/2 1 3 Communication 1/2 1/3 1/2 1/3 1 An office furniture manufacturer in Italy aims to implement a supplier evaluation process that would allow choosing the best wood (raw material). The suppliers will be evaluated according to five (5) criteria: 1) Product quality, 2) Cost, 3) After-sales service, 4) Technical competence, and 5) Communication Management has decided the rating scale to range from 1 to 9 (1 being the worst rating and 9 the best). In addition, the rule of reversed ranking also applies. This means that if a criterion or a supplier i has a particular rate with respect to y, then the reversed rate is assumed iffis compared against I. The pair-wise comparisons of suppliers with respect to each criterion are shown in Table 1. In addition, the criteria preference matrix is presented in Table 2. Which supplier should the enterprise select? Justify your answer. Table 1. Pair-wise comparisons of suppliers with respect to each criterion A. Product quality 51 S2 S3 54 $1 1 3 1/5 1 S2 1/3 1 1/8 1/3 S3 5 8 1 5 S4 1 3 1/5 1 B. Cost $1 1 1/3 5 4 SZ 3 1 7 8 S3 1/5 1/7 1 2 54 1/4 1/8 1/2 1 C. After-sales service S1 1 5 4 6 $2 1/5 1 1/2 1/3 S3 1/4 2 1 2 S4 1/6 1/4 1/2 1 D. Technical competence S1 1 1/3 1/2 1 S2 3 1 1/3 1/3 S3 2 3 1 5 S4 1 3 1/5 1 E. Communication 51 1 3 1/5 1 S2 1/3 1 1/8 1/3 S3 5 8 1 5 S4 1 3 1/S 1 Table 2. The criteria preference matrix Cost Product quality Communication After-sales service Technical competence Product quality 1 2 4 3 2 Cost 1/2 1 3 3 3 1/4 1/3 1 2 2 After-sales service Technical competence 1/3 1/2 1 3 Communication 1/2 1/3 1/2 1/3 1