Subway, with more than 25,000 outlets in the U.S., is planning for a new restaurant in Buffalo, New York. 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 Neighborhood WEIGHT MAITLAND CHURCH 60 40 70 80 80 MALL 80 30 60 .25 20 income 15 50 70 40 Zoning laws 80 20 90