Subway, with more than $3,000$ 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$)$ Based on the given information, the best location for Subway to open the new restaurant is

$,$ with a weighted score of $.($Enter your response rounded to two decimal places.$)$

b$)$ If the weights for Space and Traffic density are reversed, the best location for Subway to open the new restaurant will be

$,$ with a weighted score of

$.($Enter your response rounded to two decimal places.$)$