If (3, -4), {4, 1 ), (7, -6) and (8, 0) are the coordinates of the points A,B,C and D respectively, then the point of intersection of the lines AC and BD is

A

$$(18, \frac{13}{2})$$

B

$$(-18, \frac{-13}{2})$$

C

$$(-18, \frac{13}{2})$$

D

$$(18, \frac{-13}{2})$$