Zahara plotted three points on a coordinate grid at (−4, 5), (7, 5), and (7, −1). She will plot a fourth point to create a rectangle on the grid. The rectangle represents the floor plan of her bedroom. Zahara wants to cover her bedroom floor with carpet. Each square unit represents 1 square foot. Zahara pays $264 to cover the floor in carpet. What is the unit price of 1 square foot of carpet? $2.00 per square foot
$3.00 per square foot
$4.00 per square foot
$8.00 per square foot