Tangents are drawn at the ends of any focal chord of the parabola `y^(2)=16x`. Then which of the following statements about the point of intersection of tangents is true.
A. its abscissae is independent of the extermities of the focal chord
B. its ordinate is independents of the extermities of the focal chord
C. it is at a distance of 8 units from the vertex of the parabola
D. It is at a distance of 16 units from the focus of the parabola
