Mr. Mobley plans to have granite countertops installed in his kitchen. Granite Guys charges $75 per square foot of granite with an additional $200 service fee. Stoneworks charges $75 per square foot of granite. Which of the following statements is true?
The pricing at Granite Guys is proportional because it is more expensive option.
The pricing at Granite Guys is proportional because it is more expensive option.
The pricing at Granite Guys is non- proportional because of the additional service fee.
The pricing at Granite Guys is non- proportional because of the additional service fee.
The pricing at Stoneworks is non-proportional because the y-intercept is 0.
The pricing at Stoneworks is non-proportional because the y-intercept is 0.