Let A (4, –4) and B(9, 6) be points on the parabola, y^{2} = 4x. Let C be chosen on the arc AOB of the parabola, where O is the origin, such that the area of DACB is maximum. Then, the area (in sq. units) of DACB, is :

(1) 31(3/4)

(2) 31(1/4)

(3) 30(1/2)

(4) 32