6.9 Consider a supplier selection problem where the five most important criteria are identified as follows: C1-Risk C2 - Delivery time C3 Quality C4-Price C5-Business Performance (a) Using the method of paired comparison, rank the criteria and compute their weights. (b) Suppose 5% of purchasing managers were interviewed and they were asked to rank the aforementioned criteria. The summary of their responses are given in Table 6.41. Criteria Rankines for Exercise 69 Determine the weights of the criteria and their rankings based on the sample survey, using the Borda count method for multiple decision makers discussed in Section 6.3.9. How does their ranking compare with yours