Subway, with more than 3000 outlets in Canada, is planning for a new restaurant in Brampton, Ontario. Three locations are being considered. The following table gives the factors for each site.

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?

Baptist Northside Factor Space Costs Traffic density 0.20 50 Neighbourhood Weight Maitland Church Mall 0.30 0.25 80 70 80 80 40 30 0.15 50 70 20 40 90 income Zoning laws 0.10 80