The figure shows a blueprint of a dining room, kitchen, and living room. Each square has a side length of 1/4 inch. Carpet costs $19 per square foot. What is the cost of carpet for the living room?
(living room: 4 by 7 squares dining room: 5 by 4 squares kitchen: 5 by 3 squares)
scale factor: 1 in: 16 ft.