Question: There are five candidate suppliers (A, B, C, D and E) to select for a manufacturing company. The evaluation criteria are price, delivery conditions and
There are five candidate suppliers (A, B, C, D and E) to select for a manufacturing company. The evaluation criteria are price, delivery conditions and quality.
The following matrix compares the criteria:
| CRITERIA COMPARISON | PRICE | DELIVERY | QUALITY |
| PRICE | 1.00 | 3.00 | 1/2 |
| DELIVERY | 1/3 | 1.00 | 1/5 |
| QUALITY | 2.00 | 5.00 | 1.00 |
The following matrices compares the alternative suppliers for all criteria:
| PRICE | A | B | C | D | E |
| A | 1 | 1/3 | 1/2 | 1/5 | 1/7 |
| B | 3 | 1 | 3 | 1/3 | 3 |
| C | 2 | 1/3 | 1 | 1/3 | 1 |
| D | 5 | 3 | 3 | 1 | 5 |
| E | 7 | 1/3 | 1 | 1/5 | 1 |
| DELIVERY CONDITIONS | A | B | C | D | E |
| A | 1 | 3 | 1/2 | 5 | 1/5 |
| B | 1/3 | 1 | 1/3 | 3 | 1/3 |
| C | 2 | 3 | 1 | 3 | 1 |
| D | 1/5 | 1/3 | 1/3 | 1 | 1/5 |
| E | 5 | 3 | 1 | 5 | 1 |
| QUALITY | A | B | C | D | E |
| A | 1 | 1 | 1/2 | 1/5 | 1/2 |
| B | 1 | 1 | 3 | 1/2 | 1/3 |
| C | 2 | 1/3 | 1 | 1/4 | 1/2 |
| D | 5 | 2 | 4 | 1 | 3 |
| E | 2 | 3 | 2 | 1/3 | 1 |
Using AHP methodology, the calculate score of each supplier and find out the best supplier. For each matrix, you must show your calculations. Note that you must also conduct consistency analysis for each matrix.
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