A Detroit seafood restaurant is considering opening a second facility in the suburb of West Bloomfield. The following table shows its ratings of five factors at each of four potential sites. Which site should the owner, Lucy Lyu, select?

FACTOR Affluence of local population Construction and land cost Traffic flow Parking availability Growth potential WEIGHT 10 10 25 20 15 1 70 85 70 80 90 2 60 90 60 90 80 SITE 3 85 80 85 90 90 4 90 60 90 80 75