Bill joins a local gym that requires him to pay a membership fee of $200 in order to join in addition to a $15/month gym fee while Sue's gym is a little less expensive to join at only $75 in addition to a $25/ month gym fee. You are to use the slope formula in order to show the cost for each at the end of 12 months. You must have a minimum of 4 points on each graph! Next: Who ended up spending the most at the end of the year to go to the gym?