Subway, with more than 20,000 outlets in the U.S., is plan- ning for a new restaurant in Buffalo, New York. Three locations are being considered. The following table gives the factors for each site. Baptist Northside Factor Weight Maitland Church Mall Space Costs .25 Traffic density .20 Neighborhood income Zoning laws 1898 29 .30 60 40 50 .15 50 .10 80 222 22 70 80 30 80 70 20 888 80 60 40 90

a) At which site should Subway open the new restaurant?

b) If the weights for Space and Traffic density are reversed, how would this affect the decision? P