A Garden Is in the Shape of a Square with a Perimeter

Short Answer

A garden is in the shape of a square with a perimeter of 36 feet. The garden is surrounded by two fences. One fence is around the perimeter of the garden, whereas the second fence is 2 feet from the first fence, as the figure indicates. If the material used to build the two fences is $1.84 per foot, what was the total cost of the fences? $__________